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File094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing2008-012011-02

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

DocumentFinal report - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing2011

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.01
Location: Arquivo PCA - Pasta 21/2006
Title:
Final report - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Publication year: 2011
URL:
http://www.bial.com/imagem/Bolsa9406_04022014.pdf
Abstract/Results: RESULTS:
We have examined the specificity of face and emotion recognition networks in relation to other object recognition modules in normal subjects and disease models of impaired perception/limbic processing, using Event-Related Potential and fMRI measures and techniques to study causality in face processing networks. Response invariance properties of face processing networks, in particular 3D abstract control objects and faces were also tested. Perceptual correlates of holistic object processing in normal subjects and neurodevelopmental conditions were also studied using “Mooney” abstract faces and hierarchical stimuli. We have proven that the basal ganglia structures are crucial for emotional processing of central vs. peripheral faces irrespective of oculomotor processing demands. We were also able to separate automatic from conscious aspects of emotional processing of faces, and have shown that the human amygdala has an important foveal bias for face processing of threat content. We have also used a novel paradigm that allowed for an explicit separation of the neural correlates of the sensory, perceptual and motor components in holistic face perceptual decision. This strategy was anchored on a well-defined neurochronometry of cognitive processes and helped elucidate the contribution of different regions in the visual stream and insular networks in perceptual decision-making and social cognition. We have also found Gamma band neural activity is related to perceptual “Eureka” effects when observing ambiguous dynamic faces. In sum our work elucidated the dynamics of low and high level affective face processing along the visual ventral stream, the amygdala and basal ganglia.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Castelo-Branco, M.
Document type:
Final report
Indexed document:
No
Keywords: Psychophysiology / Face processing / Visual processing / Brain activity

Final report - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing

Final report - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing

DocumentSpecific impairment of visual spatial covert attention mechanisms in Parkinson´s disease2011

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.02
Location: Arquivo PCA - Pasta 21/2006
Title:
Specific impairment of visual spatial covert attention mechanisms in Parkinson´s disease
Publication year: 2011
URL:
http://www.sciencedirect.com/science/article/pii/S0028393210004707
Abstract/Results: ABSTRACT:
Visual deficits in early and high level processing nodes have been documented in Parkinson's disease (PD). Non-motor high level visual integration deficits in PD seem to have a cortical basis independently of a low level retinal contribution. It is however an open question whether sensory and visual attention deficits can be separated in PD. Here, we have explicitly separated visual and attentional disease related patterns of performance, by using bias free staircase procedures measuring psychophysical contrast sensitivity across visual space under covert attention conditions with distinct types of cues (valid, neutral and invalid). This further enabled the analysis of patterns of dorsal-ventral (up-down) and physiological inter-hemispheric asymmetries. We have found that under these carefully controlled covert attention conditions PD subjects show impaired psychophysical performance enhancement by valid attentional cues. Interestingly, PD patients also show paradoxically increased visual homogeneity of spatial performance profiles, suggesting flattening of high level modulation of spatial attention. Finally we have found impaired higher level attentional modulation of contrast sensitivity in the visual periphery, where mechanisms of covert attention are at higher demands. These findings demonstrate a specific loss of attentional mechanisms in PD and a pathological redistribution of spatial mechanisms of covert attention.
Accessibility: Document does not exist in file
Language:
eng
Author:
Sampaio, J.
Secondary author(s):
Bobrowicz-Campos, E., André, R., Almeida, I., Faria, P., Januário, C., Freire, A., Castelo-Branco, M.
Document type:
Article
Reference:
Sampaio, J., Bobrowicz-Campos, E., André, R., Almeida, I., Faria, P., Januário, C., . . . Castelo-Branco, M. (2011). Specific impairment of visual spatial covert attention mechanisms in Parkinson's disease. Neuropsychologia, 49(1), 34-42. doi: 10.1016/j.neuropsychologia.2010.11.002
2-year Impact Factor: 3.636|2011
Times cited: 12|2020-03-11
Indexed document: Yes
Quartile: Q1
Keywords: Visual impairment / Covert attention / Visual integration / Parkinson's disease / Visual dorsal stream / Parietal cortex / Interhemispheric asymmetries / Spatial processing

DocumentStatistical spatial filtering for a P300-based BCI: tests in able-bodied, and patients with cerebral palsy and amyotrophic lateral sclerosis2010

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.03
Location: Arquivo PCA - Pasta 21/2006
Title:
Statistical spatial filtering for a P300-based BCI: tests in able-bodied, and patients with cerebral palsy and amyotrophic lateral sclerosis
Publication year: 2010
URL:
http://www.sciencedirect.com/science/article/pii/S0165027010006503
Abstract/Results: ABSTRACT:
The effective use of brain-computer interfaces (BCIs) in real-world environments depends on a satisfactory throughput. In a P300-based BCI, this can be attained by reducing the number of trials needed to detect the P300 signal. However, this task is hampered by the very low signal-to-noise-ratio (SNR) of P300 event related potentials. This paper proposes an efficient methodology that achieves high classification accuracy and high transfer rates for both disabled and able-bodied subjects in a standard P300-based speller system. The system was tested by three subjects with cerebral palsy (CP), two subjects with amyotrophic lateral sclerosis (ALS), and nineteen able-bodied subjects. The paper proposes the application of three statistical spatial filters. The first is a beamformer that maximizes the ratio of signal power and noise power (Max-SNR). The second is a beamformer based on the Fisher criterion (FC). The third approach cascades the FC beamformer with the Max-SNR beamformer satisfying simultaneously sub-optimally both criteria (C-FMS). The calibration process of the BCI system takes about 5 min to collect data and a couple of minutes to obtain spatial filters and classification models. Online results showed that subjects with disabilities have achieved, on average, an accuracy and transfer rate only slightly lower than able-bodied subjects. Taking 23 of the 24 participants, the averaged results achieved a transfer rate of 4.33 symbols per minute with a 91.80% accuracy, corresponding to a bandwidth of 19.18 bits per minute. This study shows the feasibility of the proposed methodology and that effective communication rates are achievable.
Accessibility: Document does not exist in file
Language:
eng
Author:
Pires, G.
Secondary author(s):
Nunes, U., Castelo-Branco, M.
Document type:
Article
Reference:
Pires, G., Nunes, U., & Castelo-Branco, M. (2010). Statistical spatial filtering for a P300-based BCI: Tests in able-bodied, and patients with cerebral palsy and amyotrophic lateral sclerosis. Journal of Neuroscience Methods, 195(2), 270-281. doi: 10.1016/j.jneumeth.2010.11.016
2-year Impact Factor: 2.100|2010
Times cited: 63|2020-03-11
Indexed document: Yes
Quartile: Q3
Keywords: Brain-computer interface (BCI) / Electroencephalography / P300 / Spatial filtering / Signal-to-noise ratio

Statistical spatial filtering for a P300-based BCI: tests in able-bodied, and patients with cerebral palsy and amyotrophic lateral sclerosis

Statistical spatial filtering for a P300-based BCI: tests in able-bodied, and patients with cerebral palsy and amyotrophic lateral sclerosis

DocumentObject based implicit contextual learning: a study of eye movements2010

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.04
Location: Arquivo PCA - Pasta 21/2006
Title:
Object based implicit contextual learning: a study of eye movements
Publication year: 2010
URL:
http://link.springer.com/article/10.3758%2Fs13414-010-0047-9
Abstract/Results: ABSTRACT:
Implicit contextual cueing refers to a top-down mechanism in which visual search is facilitated by learned contextual features. In the current study we aimed to investigate the mechanism underlying implicit contextual learning using object information as a contextual cue. Therefore, we measured eye movements during an object-based contextual cueing task. We demonstrated that visual search is facilitated by repeated object information and that this reduction in response times is associated with shorter fixation durations. This indicates that by memorizing associations between objects in our environment we can recognize objects faster, thereby facilitating visual search.
Accessibility: Document does not exist in file
Language:
eng
Related objects:
PT/FB/BL-2006-73.04
Author: Van Asselen, M.
Secondary author(s):
Sampaio, J., Pina, A., Castelo-Branco, M.
Document type:
Article-d
Reference:
van Asselen, M., Sampaio, J., Pina, A., & Castelo-Branco, M. (2010). Object based implicit contextual learning: A study of eye movements. Attention, Perception & Psychophysics, 73(2), 297-302. doi: 10.3758/s13414-010-0047-9
2-year Impact Factor: 1.333|2010
Times cited: 12|2020-03-11
Indexed document: Yes
Quartile: Q3
Keywords: Implicit learning / Eye movements / Contextual cueing

DocumentType of featural attention differentially modulates hMT(+) responses to illusory motion aftereffects2009

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.05
Location: Arquivo PCA - Pasta 21/2006
Title:
Type of featural attention differentially modulates hMT(+) responses to illusory motion aftereffects
Publication year: 2009
URL:
http://www.ncbi.nlm.nih.gov/pubmed/19710372
Abstract/Results: ABSTRACT:
Activity in the human motion complex (hMT(+)/V5) is related to the perception of motion, be it either real surface motion or an illusion of motion such as apparent motion (AM) or motion aftereffect (MAE). It is a long-lasting debate whether illusory motion-related activations in hMT(+) represent the motion itself or attention to it. We have asked whether hMT(+) responses to MAEs are present when shifts in arousal are suppressed and attention is focused on concurrent motion versus nonmotion features. Significant enhancement of hMT(+) activity was observed during MAEs when attention was focused either on concurrent spatial angle or color features. This observation was confirmed by direct comparison of adapting (MAE inducing) versus nonadapting conditions. In contrast, this effect was diminished when subjects had to report on concomitant speed changes of superimposed AM. The same finding was observed for concomitant orthogonal real motion (RM), suggesting that selective attention to concurrent illusory or real motion was interfering with the saliency of MAE signals in hMT(+). We conclude that MAE-related changes in the global activity of hMT(+) are present provided selective attention is not focused on an interfering feature such as concurrent motion. Accordingly, there is a genuine MAE-related motion signal in hMT(+) that is neither explained by shifts in arousal nor by selective attention.
Accessibility: Document does not exist in file
Language:
eng
Author:
Castelo-Branco, M.
Secondary author(s):
Kozak, L., Formisano, E., Teixeira, J., Xavier, J., Goebel, R.
Document type:
Article
Reference:
Castelo-Branco, M., Kozak, L., Formisano, E., Teixeira, J., Xavier, J., & Goebel, R. (2009). Type of featural attention differentially modulates hMT(+) responses to illusory motion aftereffects. Journal of Neurophysiology, 102(5), 3016-3025. doi: 10.1152/jn.90812.2008
2-year Impact Factor: 3.483|2009
Times cited: 16|2020-03-11
Indexed document: Yes
Quartile: Q2
Keywords: Perception of motion / Attention / Concurrent motion

The type of featural attention differentially modultates hMT+responses to illusory motion aftereffects

The type of featural attention differentially modultates hMT+responses to illusory motion aftereffects

DocumentObsessive-compulsive disorder as a visual processing impairment2010

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.06
Location: Arquivo PCA - Pasta 21/2006
Title:
Obsessive-compulsive disorder as a visual processing impairment
Publication year: 2010
URL:
http://www.medical-hypotheses.com/article/S0306-9877(09)00528-3/abstract
Abstract/Results: ABSTRACT:
OCD has been hypothesized to involve the failures in both cognitive and behavioral inhibitory processes. There is evidence that the hyperactivation of cortical-subcortical pathways may be involved in the failure of these inhibitory systems associated with OCD. Despite this consensus on the role of frontal-subcortical pathways in OCD, recent studies have been showing that brain regions other than the frontal-subcortical loops may be needed to understand the different cognitive and emotional deficits in OCD. Some studies have been finding evidence for decreased metabolic activity in areas such as left inferior parietal and parieto-occipital junction suggesting the possible existence of visual processing deficits. While there has been inconsistent data regarding visual processing in OCD, recent studies have been claiming that these patients have abnormal patterns of visual processing social rich stimuli, particularly emotional arousing stimuli. Thus, in this article, we hypothesize that the fronto-subcortical activation consistently found in OCD may be due to a deactivation of occipital/parietal regions associated with visual-perceptual processing of incoming social rich stimuli. Additionally, this dissociation may be more evident as the emotional intensity of the social stimulus increases.
Accessibility: Document does not exist in file
Language:
eng
Author:
Gonçalves, O.
Secondary author(s):
Reis Marques, T., Lori, N., Sampaio, A., Castelo-Branco, M.
Document type:
Article
Reference:
Gonçalves, O., Reis Marques, T., Lori, N., Sampaio, A., & Castelo-Branco, M. (2010). Obsessive-compulsive disorder as a visual processing impairment. Medical Hypotheses, 74(1), 107-109. doi: 10.1016/j.mehy.2009.07.048
2-year Impact Factor: 1.389|2010
Times cited: 16|2020-03-11
Indexed document: Yes
Quartile: Q3
Keywords: Obsessive-compulsive disorder / Visual processing / Emotion

Obsessive-compulsive disorder as a visual processing impairment

Obsessive-compulsive disorder as a visual processing impairment

DocumentThe outcome of elderly patients with cognitive complaints but normal neuropsychological tests2010

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.07
Location: Arquivo PCA - Pasta 21/2006
Title:
The outcome of elderly patients with cognitive complaints but normal neuropsychological tests
Publication year: 2010
URL:
http://iospress.metapress.com/content/n007j334322x0634/
Abstract/Results: ABSTRACT:
Elderly patients may present with prominent cognitive complaints and have performances in neuropsychological tests within the normal range for the age and education, and thus do not fulfill the criteria for mild cognitive impairment (MCI). There is insufficient evidence to support the clinical decision in these cases ("pre-MCI"). Forty-three subjects, 11 controls, 15 "pre-MCI," and 17 MCI, were followed for about three and half years with neuropsychological testing and magnetic resonance imaging including volumetric measurements of the hippocampus and amygdala. Two of the "pre-MCI" subjects suffered cognitive and functional deterioration and were diagnosed with dementia. Although the "pre-MCI" subjects as a group had no significant deterioration in neuropsychological tests, they suffered a decline in the total hippocampal volume (P=0.04) along the follow-up time. In contrast, all control subjects remained stable and had no volumetric decreases. As expected, MCI patients underwent significant deterioration in several neuropsychological tests, often progressed to Alzheimer's disease, and showed decreases both in total hippocampal and amygdalar volumes. Elderly people presenting with cognitive complaints may be in an initial phase of a degenerative disorder and should be followed clinically, even if they have normal neuropsychological tests.
Accessibility: Document does not exist in file
Language:
eng
Author:
Nunes, T.
Secondary author(s):
Fragata, I., Ribeiro, F., Palma, T., Maroco, J., Cannas, J., Secca, M., Menezes, C., Carmo, I., Cunha, G., Castelo-Branco, M., Guerreiro, M., Mendonça, A.
Document type:
Article
Reference:
Nunes, T., Fragata, I., Ribeiro, F., Palma, T., Maroco, J., ... Mendonça, A. (2010). The outcome of elderly patients with cognitive complaints but normal neuropsychological tests. Journal of Alzheimer´s disease, 19(1), 137-145. doi: 10.3233/JAD-2010-1210
2-year Impact Factor: 4.261|2010
Times cited: 21|2020-03-11
Indexed document: Yes
Quartile: Q1
Keywords: Aging / Alzheimer's disease / Amygdala / Dementia / Hippocampus / Magnetic resonance imaging / Mild cognitive impairment (MCI) / Pre-MCI / Volumetry

DocumentICA decomposition of EEG signal for fMRI processing in epilepsy2009

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.08
Location: Arquivo PCA - Pasta 21/2006
Title:
ICA decomposition of EEG signal for fMRI processing in epilepsy
Publication year: 2009
URL:
http://onlinelibrary.wiley.com/doi/10.1002/hbm.20723/abstract
Abstract/Results: ABSTRACT:
In this study, we introduce a new approach to process simultaneous Electroencephalography and functional Magnetic Resonance Imaging (EEG-fMRI) data in epilepsy. The method is based on the decomposition of the EEG signal using independent component analysis (ICA) and the usage of the relevant components' time courses to define the event related model necessary to find the regions exhibiting fMRI signal changes related to interictal activity. This approach achieves a natural data-driven differentiation of the role of distinct types of interictal activity with different amplitudes and durations in the epileptogenic process. Agreement between the conventional method and this new approach was obtained in 6 out of 9 patients that had interictal activity inside the scanner. In all cases, the maximum Z-score was greater in the fMRI studies based on ICA component method and the extent of activation was increased in 5 out of the 6 cases in which overlap was found. Furthermore, the three cases where an agreement was not found were those in which no significant activation was found at all using the conventional approach
Accessibility: Document does not exist in file
Language:
eng
Author:
Marques, J.
Colectiv.Secondary author(s):
Rebola, J.. Figueiredo, P.. Pinto, A.. Sales, F.. Castelo-Branco, M.
Document type:
Article
Reference:
Marques, J., Rebola, J., Figueiredo, P., Pinto, A., Sales, F., & Castelo-Branco, M. (2009). ICA decomposition of EEG signal for fMRI processing in epilepsy. Human Brain Mapping, 30(9), 2986-2996. doi: 10.1002/hbm.20723
2-year Impact Factor: 6.256|2009
Times cited: 32|2020-03-11
Indexed document: Yes
Quartile: Q1
Keywords: Electroencephalogram (EEG) / Functional magnetic resonance imaging (fMRI) / Epilepsy / Independent component analysis

DocumentPeripheral influences on motion integration in foveal vision are modulated by central local ambiguity and center-surround congruence2009

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.09
Location: Arquivo PCA - Pasta 21/2006
Title:
Peripheral influences on motion integration in foveal vision are modulated by central local ambiguity and center-surround congruence
Publication year: 2009
URL:
http://www.ncbi.nlm.nih.gov/pubmed/18952922
Abstract/Results: ABSTRACT:
PURPOSE:
To study how central visual motion integration and segmentation processes are influenced by the congruence or incongruence of peripheral contextual moving surrounds and to determine their clinical relevance.
METHODS:
Nine subjects participated in experiments 1 and 2 (12-second blocks containing 2-second static fixation and 10-second surface plaid movement) and 15 in experiment 3 (72-second blocks, with 12-second fixation, and 60-second motion). Observers reported whether they perceived nontransparent (corresponding to visual integration of motion cues into one surface) or transparent (segmentation of two surfaces from motion cues) plaid motion within a 5 degrees central circular region. Surround stimuli were 20 degrees transparent or nontransparent moving plaids.
RESULTS:
Contextual effects required the presence of both local and global ambiguity. If central local motion became unambiguous, then surrounds became ineffective. Under local and global ambiguity, transparent surrounds invariably induced central congruence while also strongly suppressing incongruent percepts. Nontransparent surrounds produced similar but less consistent congruent bias, especially for longer viewing times. In the latter case, however, suppression of incongruent central interpretations became barely detectable compared to the observed significant facilitation of congruent percepts.
CONCLUSIONS:
Local ambiguity is critical in contextual modulation, and the peripheral enhancement or suppression of central motion integration depends both on transparency bias and center-surround congruence. The importance of local ambiguity in contextual modulation is clinically relevant, because it implies that contextual effects will be stronger in disorders with impaired central vision, such as macular degeneration. Moreover, the increased efficacy of global context under conditions of increased local ambiguity may be useful in future rehabilitation approaches.
Accessibility: Document does not exist in file
Language:
eng
Related objects:
PT/FB/BL-2004-15.03
Author: Kozak, L.
Secondary author(s):
Castelo-Branco, M.
Document type:
Article-d
Reference:
Kozak, L., & Castelo-Branco, M. (2009). Peripheral influences on motion integration in foveal vision are modulated by central local ambiguity and center-surround congruence. Investigative Ophthalmology and Visual Science, 50(2), 980-988. doi: 10.1167/iovs.08-2094
2-year Impact Factor: 3.431|2009
Times cited: 6|2020-03-11
Indexed document: Yes
Quartile: Q1
Keywords: Psychophysiology / Visual motion integration / Local ambiguity / Contextual modulation / Center-surround congruence

Peripheral influences on motion integration in foveal vision are modulated by central local ambiguity and center-surround congruence

Peripheral influences on motion integration in foveal vision are modulated by central local ambiguity and center-surround congruence

DocumentMotion integration deficits are independent of magnocellular impairment in Parkinson's disease2009

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.10
Location: Arquivo PCA - Pasta 21/2006
Title:
Motion integration deficits are independent of magnocellular impairment in Parkinson's disease
Publication year: 2009
URL:
http://www.sciencedirect.com/science/article/pii/S0028393208003680
Abstract/Results: ABSTRACT:
Motion processing involves multiple hierarchical steps, from the magnocellular pathway, sensitive to high temporal frequency modulations, to subsequent motion integration within the visual cortical dorsal stream. We have tested whether motion integration deficits in mild Parkinson disease (PD) can be explained by visual deficits in earlier processing nodes. Contrast sensitivity deficits in the magnocellular pathway, were compared with speed discrimination of local dots moving in random directions, speed and direction discrimination of moving surfaces and motion integration as measured by 2D coherence thresholds (n = 27). We have found that low-level magnocellular impairment in PD does not explain deficits in subsequent steps in motion processing. High-level performance was abnormal in particular for tasks requiring perception of coherently moving surfaces. Motion coherence deficits were predictive of visuomotor impairment, corroborating a previous magnetic stimulation study in normal subjects. We conclude that dorsal stream deficits in PD have a high-level visual cortical basis independent of low-level magnocellular damage.
Accessibility: Document does not exist in file
Language:
eng
Related objects:
PT/FB/BL-2002-15.04
Author: Castelo-Branco, M.
Secondary author(s):
Mendes, M., Silva, M. F., Massano, J., Januário, G., Januário, C., Freire, A.
Document type:
Article-d
Reference:
Castelo-Branco, M., Mendes, M., Silva, M. F., Massano, J., Januário, G., Januário, C., & Freire, A. (2009). Motion integration deficits are independent of magnocellular impairment in Parkinson's disease. Neuropsychologia, 47(2), 314-320. doi: 10.1016/j.neuropsychologia.2008.09.003
2-year Impact Factor: 4.346|2009
Times cited: 24|2020-03-11
Indexed document: Yes
Quartile: Q1
Keywords: Motion coherence / Magnocellular processing / Visual integration / Parkinson's disease / Visual dorsal stream

DocumentStimulus dependency of object-evoked responses in human visual cortex: An inverse problem for category specificity2012

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.11
Location: Arquivo PCA - Pasta 21/2006
Title:
Stimulus dependency of object-evoked responses in human visual cortex: An inverse problem for category specificity
Publication year: 2012
URL:
http://www.plosone.org/article/fetchObject.action?uri=info%3Adoi%2F10.1371%2Fjournal.pone.0030727&representation=PDF
Abstract/Results: ABSTRACT:
Many studies have linked the processing of different object categories to specific event-related potentials (ERPs) such as the face-specific N170. Despite reports showing that object-related ERPs are influenced by visual stimulus features, there is consensus that these components primarily reflect categorical aspects of the stimuli. Here, we re-investigated this idea by systematically measuring the effects of visual feature manipulations on ERP responses elicited by both structure-from-motion (SFM)-defined and luminance-defined object stimuli. SFM objects elicited a novel component at 200–250 ms (N250) over parietal and posterior temporal sites. We found, however, that the N250 amplitude was unaffected by restructuring SFM stimuli into meaningless objects based on identical visual cues. This suggests that this N250 peak was not uniquely linked to categorical aspects of the objects, but is strongly determined by visual stimulus features. We provide strong support for this hypothesis by parametrically manipulating the depth range of both SFM- and luminance-defined object stimuli and showing that the N250 evoked by SFM stimuli as well as the well-known N170 to static faces were sensitive to this manipulation. Importantly, this effect could not be attributed to compromised object categorization in low depth stimuli, confirming a strong impact of visual stimulus features on object-related ERP signals. As ERP components linked with visual categorical object perception are likely determined by multiple stimulus features, this creates an interesting inverse problem when deriving specific perceptual processes from variations in ERP components.
Accessibility: Document does not exist in file
Language:
eng
Author:
Graewe, B.
Secondary author(s):
De Weerd, P., Farivar, R., Castelo-Branco, M.
Document type:
Article
Reference:
Graewe, B., De Weerd, P., Farivar, R., & Castelo-Branco, M. (2012). Stimulus dependency of object-evoked responses in human visual cortex: An inverse problem for category specificity. PLoS ONE, 7(2), e30727. doi: 10.1371/journal.pone.0030727
2-year Impact Factor: 3.730|2012
Times cited: 5|2020-03-11
Indexed document: Yes
Quartile: Q1
Keywords: Psychophysiology / Object processing / Event-related potential (ERP) / Visual stimulus features

Stimulus dependency of object-evoked responses in human visual cortex: An inverse problem for category specificity

Stimulus dependency of object-evoked responses in human visual cortex: An inverse problem for category specificity

DocumentTemporal integration of 3D coherent motion cues defining visual objects of unknown orientation is impaired in amnestic mild cognitive impairment and Alzheimer's disease.2012

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.12
Location: Arquivo PCA - Pasta 21/2006
Title:
Temporal integration of 3D coherent motion cues defining visual objects of unknown orientation is impaired in amnestic mild cognitive impairment and Alzheimer's disease.
Publication year: 2012
URL:
http://iospress.metapress.com/content/u6qt68456282wn21/
Abstract/Results: ABSTRACT:
The nature of visual impairments in Alzheimer's disease (AD) and their relation with other cognitive deficits remains highly debated. We asked whether independent visual deficits are present in AD and amnestic forms of mild cognitive impairment (MCI) in the absence of other comorbidities by performing a hierarchical analysis of low-level and high-level visual function in MCI and AD. Since parietal structures are a frequent pathophysiological target in AD and subserve 3D vision driven by motion cues, we hypothesized that the parietal visual dorsal stream function is predominantly affected in these conditions. We used a novel 3D task combining three critical variables to challenge parietal function: 3D motion coherence of objects of unknown orientation, with constrained temporal integration of these cues. Groups of amnestic MCI (n = 20), AD (n = 19), and matched controls (n = 20) were studied. Low-level visual function was assessed using psychophysical contrast sensitivity tests probing the magnocellular, parvocellular, and koniocellular pathways. We probed visual ventral stream function using the Benton Face Recognition task. We have found hierarchical visual impairment in AD, independently of neuropsychological deficits, in particular in the novel parietal 3D task, which was selectively affected in MCI. Integration of local motion cues into 3D objects was specifically and most strongly impaired in AD and MCI, especially when 3D motion was unpredictable, with variable orientation and short-lived in space and time. In sum, specific early dorsal stream visual impairment occurs independently of ventral stream, low-level visual and neuropsychological deficits, in amnestic types of MCI and AD.
Accessibility: Document does not exist in file
Language:
eng
Author:
Lemos, R.
Secondary author(s):
Figueiredo, P., Santana, I., Simőes, M. R., Castelo-Branco, M.
Document type:
Article
Reference:
Lemos, R., Figueiredo, P., Santana, I., Simoes, M. R., & Castelo-Branco, M. (2012). Temporal Integration of 3D Coherent Motion Cues Defining Visual Objects of Unknown Orientation is Impaired in Amnestic Mild Cognitive Impairment and Alzheimer's Disease. Journal of Alzheimer's Disease, 28(4), 885-896. doi: 10.3233/jad-2011-110719
2-year Impact Factor: 4.174|2012
Times cited: 11|2020-03-11
Indexed document: Yes
Quartile: Q2
Keywords: Alzheimer's disease / Mild cognitive impairment (MCI) / Parietal lobe / Vision

DocumentAn investigation of the category specificity of ERP components related to object perception2009

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.13
Location: Arquivo PCA - Pasta 21/2006
Title:
An investigation of the category specificity of ERP components related to object perception
Publication year: 2009
URL:
http://www.abstractsonline.com/Plan/ViewAbstract.aspx?sKey=b7a30480-b3fd-481b-bc5c-1105adf9ca4e&cKey=83190fd0-dcd9-4439-a164-2165f72ed98b&mKey=%7b081F7976-E4CD-4F3D-A0AF-E8387992A658%7d
Abstract/Results: ABSTRACT:
Event related potential studies can provide important insights into the understanding of how and when the human brain differentiates between visual stimulus categories. Here, we ask the question whether ERP components related to object recognition show category specific responses. Many studies have concluded that faces elicit such category specific responses, based on the demonstration of a ‘face-specific’ negative ERP potential termed the ‘N170’, which is more pronounced for faces than for other visual stimuli. In the present study (8 participants), using static stimuli (photographs of faces and chairs and mooney faces) and manipulating their salience by different levels of masking, we found that the amplitude of the N170 could be modulated by the salience of the stimuli. Hence, whether the N170 for faces was larger than for non-faces simply depended on the salience level of the stimuli. Additionally, using structure-from-motion (SFM) defined face and chair stimuli, we found an object-related negative peak at 250 ms whose amplitude could be modulated by varying depth of the respective stimulus categories (‘flattening’ the stimuli leading to increasingly smaller amplitudes). Moreover, a comparison between stimulus categories (faces, chairs and coherent 2D and 3D motion) revealed that the N250 peak has a significantly larger amplitude for SFM chair stimuli than for SFM face stimuli (even for normal/optimized depth values in the two categories) and hence failed to show a face-specific effect. The object-sensitive N250 elicited by the SFM stimuli peaked around 80 ms later compared to the N170 in the static face condition, which can be well explained by a perceptual delay in perceiving SFM stimuli, i.e. the time needed in order to detect an object from the moving dot pattern. We therefore speculate that the N250 we found for SFM stimuli is a perceptual analogue of the N170 for static faces. Support for this claim comes from our finding that the N170 for static faces/chairs can also be shifted depending on the exact time of their presentation (in an experimental condition in which static stimuli become detectable later in the stimulus period, simulating the SFM condition). Taken together, these findings demonstrate a strong dependence of object-related ERP signals on depth/salience of the respective stimulus category and a lack of an unambiguous relationship between the amplitude of object-sensitive ERP components and object categories.
Accessibility: Document does not exist in file
Language:
eng
Author:
Graewe, B.
Secondary author(s):
Farivar, R., De Weerd, P., Castelo-branco, M.
Document type:
Online abstract
Reference:
Graewe, B., Farivar, R., De Weerd, P., & Castelo-branco, M. (2009). An investigation of the category specificity of ERP components related to object perception. Program No. 262.2/X29. 2009 Neuroscience Meeting Planner. Chicago, IL: Society for Neuroscience. Online.
Indexed document: No
Keywords: Visual perception / Event-related potential (ERP) / Object recognition

DocumentDissecting cognitive components in visual decision making2009

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.14
Location: Arquivo PCA - Pasta 21/2006
Title:
Dissecting cognitive components in visual decision making
Publication year: 2009
URL:
http://www.frontiersin.org/10.3389/conf.neuro.01.2009.11.087/event_abstract
Abstract/Results: ABSTRACT:
Separation of perceptual, decision and motor processes in decision making tasks is a widely recognized problem. Though it is consensual that decision-making involves a network of interactingor modules, it is hard to make clear cut statements on the exact role of each . This happens because motor, pre-motor and related networks are known to play a role in decision processes, and by indicating their perceptual state during such an experiment, subjects introduce a confounding factor. Only a careful experimental design that attempts explicit separation of the modules can provide an answer. Accordingly,the following question arises: which areas would activate if decision was kept at an abstract level, when the appropriate action is “no action”? We have chosen a face detection paradigm using Mooney stimuli (black and white ambiguous images) to address these questions. These stimuli prevent cognitive confounds related to higher level face processing (identification, emotion). We have combined the strategy of focusing on a number of pre-defined Regions of Interest (mainly the Face Fusiform Area - FFA) with a wider range analysis , since areas bordering the FFA and beyond have been suggested to be involved in such a task.
The novelty of this paradigm is based on the separation of sensory, perceptual and motor components. We achieved the first goal by rendering the time of decision from stimulus onset variable and occurring explicitly at different time points through rotation from inverted to upright position. The latter was achieved by comparing a condition that requires an action (button press) upon the moment of recognition to a condition where such action is delayed. In this task that delays the report, the rotating face changes colour every TR, and at the end of the trial, the subject chooses from a list the colour that relates to the moment of perception.
We found that bilateral anterior insula/frontal operculum and ventrolateral premotor cortex are active in both tasks, which reinforces their role in decision processes whereas posterior insula, somatosensory cortex and cerebellum are only active for the immediate response task. As for visual perceptual areas, we confirm the relevance of regions of the IT cortex surrounding the FFA in carrying out the task.
Accessibility: Document does not exist in file
Language:
eng
Author:
Rebola, J.
Secondary author(s):
Castelhano, J., Cipriano, C., Castelo-Branco, M.
Document type:
Online abstract
Reference:
Rebola, J., Castelhano, J., Cipriano, C., & Castelo-Branco, M. (2009). Dissecting cognitive components in visual decision making. Frontiers Neuroscience. Conference Abstract: 11th Meeting of the Portuguese Society for Neuroscience. doi: 10.3389/conf.neuro.01.2009.11.087
Indexed document: No
Keywords: Decision-making / Face detection paradigm / Psychophysiology

DocumentNeural synchronization in the gamma frequency range is tightly associated with detection of ambiguous face stimuli2009

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.15
Location: Arquivo PCA - Pasta 21/2006
Title:
Neural synchronization in the gamma frequency range is tightly associated with detection of ambiguous face stimuli
Publication year: 2009
Accessibility:
Document does not exist in file
Language:
eng
Author:
Castelhano, J.
Secondary author(s):
Rebola, J., Rodriguez, E., Castelo-Branco, M.
Document type:
Abstract
Reference:
Castelhano, J., Rebola, J., Rodriguez, E., & Castelo-Branco, M. (2009). Neural synchronization in the gamma frequency range is tightly associated with detection of ambiguous face stimuli. Neuroimage, 47(Suppl. 1), S155. doi: 10.1016/S1053-8119(09)71621-0
2-year Impact Factor: 5.895|2011
Indexed document: Yes
Keywords: Psychophysiology / Perception / Faces

DocumentDissociation of local/global visual preference and performance in Williams Syndrome2009

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.16
Location: Arquivo PCA - Pasta 21/2006
Title:
Dissociation of local/global visual preference and performance in Williams Syndrome
Publication year: 2009
URL:
http://journals.cambridge.org/download.php?file=%2FINS%2FINS15_S2%2FS1355617709991044a.pdf&code=0fad4d8df994926de051a6bcc1b17fc3
Abstract/Results: ABSTRACT:
OBJECTIVE:
Williams syndrome (WS) is characterized by visuospatial impairment often described as reflecting a local processing bias. However, these evidences are controversial, which may also be compounded by the large variability in performance that has been found across studies. To investigate local processing bias in WS and define whether this bias determines performance in global-local tasks.
PARTICIPANTS AND METHODS:
A preference task (match to sample similarity) and a performance task (requiring identification of local or global similarity) were conducted in 15 WS subjects using Navon hierarchical figures. Performance of WS group was compared to a chronological (n=15) and mental age-matched control group (n=15).
RESULTS:
The preference task demonstrated that 7 WS subjects showed a local bias, while 9 subjects performed like controls, exhibiting a global preference. Performance on the preference task was significantly correlated with education level and intelligence level. In the performance task WS subjects with a local processing bias made significantly more errors in the global condition than the WS subjects with a global preference.
CONCLUSIONS:
Our results suggest that the local bias is not homogeneous across WS subjects, thus reflecting the great variability described in other studies. By comparing WS subjects with a global bias to WS subjects with a local bias, we showed that the education level and the level of intelligence are important factors in defining the processing style. Additionally, the local processing preference found in some WS subjects seems to be related to their global processing deficit, both being commonly correlated with the education level.
Accessibility: Document does not exist in file
Language:
eng
Author:
Bernardino, I.
Secondary author(s):
Van Asselen, M., Castelo-Branco, M.
Document type:
Abstract
Reference:
Bernardino, I., Van Asselen, M., & Castelo-Branco, M. (2009). Dissociation of local/global visual preference and performance in Williams Syndrome. Journal of the International Neuropsychological Society, 15(Suppl. 2), 68. doi: 10.1017/S1355617709991044
2-year Impact Factor: 2.759|2011
Indexed document: Yes
Keywords: Williams syndrome / Local processing bias / Education level / Intelligence

Dissociation of local/global visual preference and performance in Williams Syndrome

Dissociation of local/global visual preference and performance in Williams Syndrome

DocumentNeural correlates of ambiguous face detection2009

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.17
Location: Arquivo PCA - Pasta 21/2006
Title:
Neural correlates of ambiguous face detection
Publication year: 2009
URL:
http://labcolour.fisica.uminho.pt/cip09/files/abstractscip09/castelhano_Oral.pdf
Abstract/Results: ABSTRACT:
The visual processing of faces and objects has received considerable attention in recent years. We have used event related technology (EEG/ERP) to help identify the processes underlying the emergence of a coherent face percept under ambiguous conditions. It has been hypothesized that these processes relate to neural synchrony in the Gamma band (30-80 Hz) close to the moment of perception. Here we aimed to investigate this hypothesis by dissociating stimulus from perceptual factors in the face perception process.
EEG data were recorded from 21 subjects (64/128 channel Quick-Cap, NeuroScan). During the task (experiment 1), subjects viewed 12 s movies of rotating ambiguous Mooney faces and were instructed to report the moment of face detection by pressing a button. The data were segmented into epochs locked to the response (moment of perception). Decision locked event related potentials (ERP) were obtained, and time-frequency as well as phase synchrony analysis on the gamma band range were carried out across distinct electrode sets.
In experiment 2 face stimuli comprised one frame. Two additional noise frames were added for backward/forward masking.
The behavioural results of experiment 1 show a mean response time of 4.23 ± 2.98 s which corresponds approximately to 85ş angle of stimulus rotation - just near the horizontal meridian, suggesting holistic processing of the stimuli (mean accuracy 90.78 ± 9.36 %). In experiment 2, jittered face stimuli were always perceived as more salient in the absence of forward masking.
Spatially distributed activation in the high gamma band (60-70 Hz) was observed in the time-frequency plots and synchrony bursts (30-45Hz) were also observed, close to the moment of detection. Similar findings were obtained in experiment 2.
In conclusion, our data supports that gamma-band activity are related with perceptual decision and not only with perception of low level features per se.
Accessibility: Document does not exist in file
Language:
eng
Author:
Castelhano, J.
Secondary author(s):
Rebola, J., Rodriguez, E., Grawe, B., Castelo-Branco, M.
Document type:
Online abstract
Reference:
Castelhano, J., Rebola, J., Rodriguez, E., Grawe, B., & Castelo-Branco, M. (2009, July). Neural correlates of ambiguous face detection. Paper presented at the 3rd Iberian Conference on Perception, Guimarăes, Portugal. Abstract retrieved from http://labcolour.fisica.uminho.pt/cip09/files/abstractscip09/castelhano_Oral.pdf
Indexed document: No
Keywords: Electroencephalogram (EEG) / Event-related potential (ERP) / Face detection / Ambiguity / Neural synchrony

Neural correlates of ambiguous face detection

Neural correlates of ambiguous face detection

DocumentVisual search can be modulated by repeated object information through facilitation of object recognition2009

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.18
Location: Arquivo PCA - Pasta 21/2006
Title:
Visual search can be modulated by repeated object information through facilitation of object recognition
Publication year: 2009
URL:
http://webs.psi.uminho.pt/appe/past/2010/files/ComunicacoesOraisAPPE2010.pdf
Abstract/Results: ABSTRACT:
Implicit contextual cueing refers to a top-down mechanism in which visual search is facilitated by learned contextual features. In the current study we aim to investigate the mechanism underlying this process, using a type of context information that has rarely been used, namely object identity. Eye movements were measured during an object based contextual cueing task. We demonstrated that visual search is facilitated by repeated object information and that this reduction in response times is associated with shorter fixation durations, whereas the number of fixations and the saccade amplitude were unaffected. In all, the current study resolves an important issue in object contextual cueing by showing that repeated objects can facilitate visual search through direct modulation of object identification.
Accessibility: Document does not exist in file
Language:
eng
Author:
Van Asselen, M.
Secondary author(s):
Sampaio, J., Pina, A., Castelo-Branco, M.
Document type:
Online abstract
Reference:
Van Asselen, M., Sampaio, J., Pina, A., & Castelo-Branco, M. (2009, March). Visual search can be modulated by repeated object information through facilitation of object recognition. Paper presented at the 5th Encontro Nacional da Associaçăo Portuguesa de Psicologia Experimental, Braga, Portugal. Abstract retrieved from http://webs.psi.uminho.pt/appe/past/2010/files/ComunicacoesOraisAPPE2010.pdf
Indexed document: No
Keywords: Contextual cueing / Eye movements / Object recognition

Visual search can be modulated by repeated object information through facilitation of object recognition

Visual search can be modulated by repeated object information through facilitation of object recognition

DocumentEgocentric and allocentric spatial representations in Wiliams Syndrome2009

Reference code: PT/FB
Entity holding: BIAL Foundation
Location: S. Mamede do Coronado
Title:
BIAL Foundation Archive
Start date: 1994
History:
The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives.
Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge.
Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research.
The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology.
To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world.
Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL: http://www.bial.com/pt/
Accessibility: By permission

Reference code: PT/FB/BL
Entity holding: BIAL Foundation
Title: BIAL Grants
Start date: 1994
History:
In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology.
Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries.
The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project.
The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665).
Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others.
The BIAL grants are promoted biannually.

Reference code: PT/FB/BL-2006
Location: Arquivo PCA - Pastas 1 a 22 /2006
Title:
2006 Grants
Start date: 2007-01 - 2013-11
Dimension/support:
22 caixas de arquivo

Reference code: PT/FB/BL-2006-094
Location: Arquivo PCA - Pasta 21/2006
Title:
094 - Feedback modulation of visual processing by limbic circuits: A functional connectivity approach to visual face processing
Duration: 2008-01 - 2011-02
Researcher(s):
Miguel Castelo-Branco, Cristina Januário, Solange Silva, Aldina Reis, Catarina Mateus, Miguel Cordeiro
Institution(s): IBILI - Faculdade de Medicina, Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Januário, C., Silva, S., Mateus, C., Cordeiro, M.
Keywords:
Psychophysiology / Cognitive processes / Brain structure and function / Emotion / Body structure and function / Vision

Reference code: PT/FB/BL-2006-094.19
Location: Arquivo PCA - Pasta 21/2006
Title:
Egocentric and allocentric spatial representations in Wiliams Syndrome
Publication year: 2009
URL:
http://webs.psi.uminho.pt/appe/past/2010/files/PostersAPPE2010.pdf
Abstract/Results: ABSTRACT:
A dorsal stream impairment has been described in WS. The dorsal stream is important for making allocentric judgments (viewer-independent) whereas egocentric spatial judgments (viewer-dependent) depend on the dorsal pathway. Here, we used two perceptual judgment tasks (computerized and ecological 3D tasks) to investigate egocentric and allocentric spatial perception in eighteen WS patients, as compared to Chronological (n=20) and mental (n=22) age-matched control groups. The WS group was impaired on the egocentric and allocentric task condition of the computerized task and the 3D task when compared with both control groups. Importantly, no selective impairment was found for perceiving egocentric representations, suggesting that dorsal stream function is not specifically impaired.
Accessibility: Document does not exist in file
Language:
eng
Author:
Bernardino, I.
Secondary author(s):
Van Asselen, M., Castelo-Branco, M.
Document type:
Online abstract
Reference:
Bernardino, I., Van Asselen, M., & Castelo-Branco, M. (2009. March). Egocentric and allocentric spatial representations in Wiliams Syndrome. Poster presented at the 5th Encontro Nacional da Associaçăo Portuguesa de Psicologia Experimental, Braga, Portugal. Abstract retrieved from http://webs.psi.uminho.pt/appe/past/2010/files/PostersAPPE2010.pdf
Indexed document: No
Keywords: Williams syndrome / Spatial perception / Dorsal stream

Egocentric and allocentric spatial representations in Wiliams Syndrome

Egocentric and allocentric spatial representations in Wiliams Syndrome