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File016 - Perceptual memory in the human visual system2006-022010-04

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-2004
Location: Arquivo PCA - Pastas 1 a 25/2004
Title:
2004 Grants
Start date: 2005-01 - 2012-09
Dimension/support:
25 caixas de arquivo

Reference code: PT/FB/BL-2004-016
Location: Arquivo PCA - Pasta 24/2004
Title:
016 - Perceptual memory in the human visual system
Duration: 2006-02 - 2010-04
Researcher(s):
Patrícia Margarida Piedade Figueiredo, Mafalda Cavalheiro Gomes Moreira Mendes, Maria Fátima Loureiro da Silva, João Abel Loureiro Marques Xavier, Carlos Gomes
Institution(s): Instituto Biofísico para a Investigação em Luz e Imagem (IBILI), Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Abstracts and posters
Informed consent forms
Review of the final report
Language: eng
Author:
Figueiredo, P.
Secondary author(s):
Mendes, M., Silva, M. F., Xavier, J., Gomes, C.
Number of reproductions:
1
Keywords:
Psychophysiology / Body structure and function / Vision / Cognitive processes / Memory / Learning / Perception / Biopsychological problems / Diseases/Injuries / Epilepsy

DocumentFinal report - Perceptual memory in the human visual system2010

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-2004
Location: Arquivo PCA - Pastas 1 a 25/2004
Title:
2004 Grants
Start date: 2005-01 - 2012-09
Dimension/support:
25 caixas de arquivo

Reference code: PT/FB/BL-2004-016
Location: Arquivo PCA - Pasta 24/2004
Title:
016 - Perceptual memory in the human visual system
Duration: 2006-02 - 2010-04
Researcher(s):
Patrícia Margarida Piedade Figueiredo, Mafalda Cavalheiro Gomes Moreira Mendes, Maria Fátima Loureiro da Silva, João Abel Loureiro Marques Xavier, Carlos Gomes
Institution(s): Instituto Biofísico para a Investigação em Luz e Imagem (IBILI), Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Abstracts and posters
Informed consent forms
Review of the final report
Language: eng
Author:
Figueiredo, P.
Secondary author(s):
Mendes, M., Silva, M. F., Xavier, J., Gomes, C.
Number of reproductions:
1
Keywords:
Psychophysiology / Body structure and function / Vision / Cognitive processes / Memory / Learning / Perception / Biopsychological problems / Diseases/Injuries / Epilepsy

Reference code: PT/FB/BL-2004-016.01
Location: Arquivo PCA - Pasta 24/2004
Title:
Final report - Perceptual memory in the human visual system
Publication year: 2010
URL:
http://www.bial.com/imagem/Bolsa1604.pdf
Abstract/Results: RESULTS:
In this Project, we have investigated memory mechanisms in the human visual system, by employing a combination of psychophysics and functional magnetic resonance imaging (fMRI) methodologies to identify the neural correlates of different types of learning processes. For this purpose, we implemented and optimized a number of fMRI visual mapping paradigms in order to identify the visual brain areas of interest.
We first observed the adaptive functional reorganization of visual memory in a population of temporal lobe epilepsy patients with right unilateral hippocampal sclerosis. We used fMRI to measure brain activity changes during the episodic encoding of abstract line drawings and found that the patients engaged the left hippocampus more than controls and that the level of engagement was correlated with their memory recognition scores. These finds suggested functional reorganization of visual memory with an adaptive role, as a consequence of prolonged disease. We also found that familiar items activated visual cortical areas more than novel items, suggesting a reinstatement of visual information as a consequence of learning.
In a second study, we implemented a visual learning paradigm whereby subjects performed a face discrimination task on faces presented in multiple orientations, in order to investigate the hypothesis that the human visual system contains specialized processing mechanisms that are more engaged by upright faces than by inverted faces or non-face objects, as a result of extensive practice with upright faces. Our psychophysics experiments showed that participants gave more errors and were slower in their responses as faces were rotated away from 0º. In addition, performance was improved when participants underwent periods of training, both for trained and untrained orientations. Consistently with the expertise hypothesis, we also found a parametric modulation of fMRI activity in specialized visual brain areas, according to the quadratic behavioural effect of face orientation.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Figueiredo, P.
Document type:
Final report
Number of reproductions:
1
Indexed document:
No
Keywords: Psychophysiology / Visual memory / Epilepsy / Memory recognition / Perception / Face discrimination

Final report - Perceptual memory in the human visual system

Final report - Perceptual memory in the human visual system

DocumentAdaptive visual memory reorganization in right medial temporal lobe epilepsy2008

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-2004
Location: Arquivo PCA - Pastas 1 a 25/2004
Title:
2004 Grants
Start date: 2005-01 - 2012-09
Dimension/support:
25 caixas de arquivo

Reference code: PT/FB/BL-2004-016
Location: Arquivo PCA - Pasta 24/2004
Title:
016 - Perceptual memory in the human visual system
Duration: 2006-02 - 2010-04
Researcher(s):
Patrícia Margarida Piedade Figueiredo, Mafalda Cavalheiro Gomes Moreira Mendes, Maria Fátima Loureiro da Silva, João Abel Loureiro Marques Xavier, Carlos Gomes
Institution(s): Instituto Biofísico para a Investigação em Luz e Imagem (IBILI), Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Abstracts and posters
Informed consent forms
Review of the final report
Language: eng
Author:
Figueiredo, P.
Secondary author(s):
Mendes, M., Silva, M. F., Xavier, J., Gomes, C.
Number of reproductions:
1
Keywords:
Psychophysiology / Body structure and function / Vision / Cognitive processes / Memory / Learning / Perception / Biopsychological problems / Diseases/Injuries / Epilepsy

Reference code: PT/FB/BL-2004-016.02
Location: Arquivo PCA - Pasta 24/2004
Title:
Adaptive visual memory reorganization in right medial temporal lobe epilepsy
Publication year: 2008
URL:
http://onlinelibrary.wiley.com/doi/10.1111/j.1528-1167.2008.01629.x/pdf
Abstract/Results: ABSTRACT:
PURPOSE:
We investigated functional reorganization mechanisms of the human medial temporal lobe (MTL) for episodic memory, in patients suffering from medial temporal lobe epilepsy (MTLE) with hippocampal sclerosis (HS).
METHODS:
We used functional magnetic resonance imaging (fMRI) to measure brain activity changes during matched episodic encoding tasks of abstract words (Verbal) and line drawings (Visual), in patients with unilateral right MTLE undergoing presurgical evaluation and healthy controls.
RESULTS:
As expected, a significant interaction between material type and the side of MTL activity was present in the control group, with preferential involvement of the left hippocampus in verbal encoding and the right parahippocampal region in visual encoding. When compared with controls, right MTLE patients with intact performance activated a region in the left hippocampus more during visual encoding, which resulted in an interaction between group and hemisphere. Importantly, an effect of memory performance on visual encoding activity was observed in the patients, with greater engagement of the left MTL being associated with higher recognition scores. Interestingly, activity in the left MTL also depended on the epileptic seizure frequency, suggesting a role for this clinical parameter in the recruitment of contralateral regions.
DISCUSSION:
Taken together, these results indicate functional reorganization of the MTLs in right HS, through transfer of function from the right to the left hemisphere, and strongly suggest an adaptive role for such reorganization mechanism in supporting preserved visual memory.
Accessibility: Document does not exist in file
Language:
eng
Author:
Figueiredo, P.
Secondary author(s):
Santana, I., Teixeira, J., Cunha, C., Machado, E., Sales, F., Almeida, E., Castelo-Branco, M.
Document type:
Article
Number of reproductions:
1
Reference:
Figueiredo, P., Santana, I., Teixeira, J., Cunha, C., Machado, E., Sales, F., . . . Castelo-Branco, M. (2008). Adaptive visual memory reorganization in right medial temporal lobe epilepsy. Epilepsia, 49(8), 1395-1408. doi: 10.1111/j.1528-1167.2008.01629.x
2-year Impact Factor: 3.733|2008
Times cited: 15|2022-05-19
Indexed document: Yes
Quartile: Q1
Keywords: Functional magnetic resonance imaging (fMRI) / Memory / Lateralization / Reorganization

DocumentParametric fMRI correlates of multiple face orientations2010

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-2004
Location: Arquivo PCA - Pastas 1 a 25/2004
Title:
2004 Grants
Start date: 2005-01 - 2012-09
Dimension/support:
25 caixas de arquivo

Reference code: PT/FB/BL-2004-016
Location: Arquivo PCA - Pasta 24/2004
Title:
016 - Perceptual memory in the human visual system
Duration: 2006-02 - 2010-04
Researcher(s):
Patrícia Margarida Piedade Figueiredo, Mafalda Cavalheiro Gomes Moreira Mendes, Maria Fátima Loureiro da Silva, João Abel Loureiro Marques Xavier, Carlos Gomes
Institution(s): Instituto Biofísico para a Investigação em Luz e Imagem (IBILI), Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Abstracts and posters
Informed consent forms
Review of the final report
Language: eng
Author:
Figueiredo, P.
Secondary author(s):
Mendes, M., Silva, M. F., Xavier, J., Gomes, C.
Number of reproductions:
1
Keywords:
Psychophysiology / Body structure and function / Vision / Cognitive processes / Memory / Learning / Perception / Biopsychological problems / Diseases/Injuries / Epilepsy

Reference code: PT/FB/BL-2004-016.03
Location: Arquivo PCA - Pasta 24/2004
Title:
Parametric fMRI correlates of multiple face orientations
Publication year: 2010
Accessibility:
Document exists in file (abstract available)
Copyright/Reproduction:
By permission
Language:
eng
Author:
Saiote, C.
Secondary author(s):
Silva, J., Gomes, C., Lauterbach, M., Reimão, S., Figueiredo, P.
Document type:
Unpublished document
Number of reproductions:
1
Reference:
Saiote, C., Silva, J., Gomes, C., Lauterbach, M., Reimão, S., & Figueiredo, P. (2010, June). Parametric fMRI correlates of multiple face orientations. Poster presented at the 16th Annual Meeting of the Organization for Human Brain Mapping, Barcelona, Spain.
Indexed document: No
Keywords: Psychophysiology / Perception / Face discrimination / Vision / Functional magnetic resonance imaging (fMRI)

Novo ficheiro

Novo ficheiro

DocumentPerceptual learning for multiple face orientations2009

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-2004
Location: Arquivo PCA - Pastas 1 a 25/2004
Title:
2004 Grants
Start date: 2005-01 - 2012-09
Dimension/support:
25 caixas de arquivo

Reference code: PT/FB/BL-2004-016
Location: Arquivo PCA - Pasta 24/2004
Title:
016 - Perceptual memory in the human visual system
Duration: 2006-02 - 2010-04
Researcher(s):
Patrícia Margarida Piedade Figueiredo, Mafalda Cavalheiro Gomes Moreira Mendes, Maria Fátima Loureiro da Silva, João Abel Loureiro Marques Xavier, Carlos Gomes
Institution(s): Instituto Biofísico para a Investigação em Luz e Imagem (IBILI), Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Abstracts and posters
Informed consent forms
Review of the final report
Language: eng
Author:
Figueiredo, P.
Secondary author(s):
Mendes, M., Silva, M. F., Xavier, J., Gomes, C.
Number of reproductions:
1
Keywords:
Psychophysiology / Body structure and function / Vision / Cognitive processes / Memory / Learning / Perception / Biopsychological problems / Diseases/Injuries / Epilepsy

Reference code: PT/FB/BL-2004-016.04
Location: Arquivo PCA - Pasta 24/2004
Title:
Perceptual learning for multiple face orientations
Publication year: 2009
URL:
http://www.perceptionweb.com/abstract.cgi?id=v090617
Abstract/Results: ABSTRACT:
The well-established face inversion effect refers to a declination of performance for inverted compared to upright faces. However, perceptual learning for faces presented in non-upright orientations has not been systematically investigated. We conducted two experiments in which we investigated perceptual learning for multiple face orientations over short periods of time (Experiment 1) and for a single orientation over long-term training (Experiment 2). In Experiment 1, participants performed a same - different discrimination task (DT) on pairs of faces presented in orientations ranging between 0 and 300°. A quadratic effect was observed across orientations for both reaction times and error rates, indicating a deterioration of performance away from 0° and towards 180°. Moreover, we found that error rates as well as reaction times significantly decreased across blocks of trials, indicating a learning effect. In Experiment 2, participants carried out the DT over the course of four consecutive days (4 sessions) on faces with a single orientation (120°). Here, we observed a main effect of session, indicating that participants became significantly faster and more accurate with training. Finally, when tested with a different orientation (240°) at the end of the last session, participants showed a similar performance compared with the trained orientation (120°), suggesting that transfer of learning across orientations took place.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Notes:
Abstract and respective poster in attachment
Author: Gomes, C.
Secondary author(s):
Mendes, M., Figueiredo, P.
Document type:
Abstract
Number of reproductions:
1
Reference:
Gomes, C., Mendes, M., & Figueiredo, P. (2009). Perceptual learning for multiple face orientations. Perception, 38(Suppl.), S79. doi: 10.1068/v090617
Indexed document: Yes
Keywords: Psychophysiology / Face discrimination / Perception

Perceptual learning for multiple face orientations

Perceptual learning for multiple face orientations

DocumentReproducibility of a rapid visual brain mapping protocol2009

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-2004
Location: Arquivo PCA - Pastas 1 a 25/2004
Title:
2004 Grants
Start date: 2005-01 - 2012-09
Dimension/support:
25 caixas de arquivo

Reference code: PT/FB/BL-2004-016
Location: Arquivo PCA - Pasta 24/2004
Title:
016 - Perceptual memory in the human visual system
Duration: 2006-02 - 2010-04
Researcher(s):
Patrícia Margarida Piedade Figueiredo, Mafalda Cavalheiro Gomes Moreira Mendes, Maria Fátima Loureiro da Silva, João Abel Loureiro Marques Xavier, Carlos Gomes
Institution(s): Instituto Biofísico para a Investigação em Luz e Imagem (IBILI), Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Abstracts and posters
Informed consent forms
Review of the final report
Language: eng
Author:
Figueiredo, P.
Secondary author(s):
Mendes, M., Silva, M. F., Xavier, J., Gomes, C.
Number of reproductions:
1
Keywords:
Psychophysiology / Body structure and function / Vision / Cognitive processes / Memory / Learning / Perception / Biopsychological problems / Diseases/Injuries / Epilepsy

Reference code: PT/FB/BL-2004-016.05
Location: Arquivo PCA - Pasta 24/2004
Title:
Reproducibility of a rapid visual brain mapping protocol
Publication year: 2009
Accessibility:
Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Cruz, P.
Secondary author(s):
Teixeira, J., Figueiredo, P.
Document type:
Abstract
Number of reproductions:
1
Reference:
Cruz, P., Teixeira, J., & Figueiredo, P. (2009). Reproducibility of a rapid visual brain mapping protocol. NeuroImage, 47(Suppl. 1), S63. doi: 10.1016/S1053-8119(09)70315-5
Indexed document: Yes
Keywords: Brain mapping / Visual cortex

Reproducibility of a rapid visual brain mapping protocol

Reproducibility of a rapid visual brain mapping protocol

DocumentDissociable memory impairments after selective bilateral fornix damage2007

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-2004
Location: Arquivo PCA - Pastas 1 a 25/2004
Title:
2004 Grants
Start date: 2005-01 - 2012-09
Dimension/support:
25 caixas de arquivo

Reference code: PT/FB/BL-2004-016
Location: Arquivo PCA - Pasta 24/2004
Title:
016 - Perceptual memory in the human visual system
Duration: 2006-02 - 2010-04
Researcher(s):
Patrícia Margarida Piedade Figueiredo, Mafalda Cavalheiro Gomes Moreira Mendes, Maria Fátima Loureiro da Silva, João Abel Loureiro Marques Xavier, Carlos Gomes
Institution(s): Instituto Biofísico para a Investigação em Luz e Imagem (IBILI), Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Abstracts and posters
Informed consent forms
Review of the final report
Language: eng
Author:
Figueiredo, P.
Secondary author(s):
Mendes, M., Silva, M. F., Xavier, J., Gomes, C.
Number of reproductions:
1
Keywords:
Psychophysiology / Body structure and function / Vision / Cognitive processes / Memory / Learning / Perception / Biopsychological problems / Diseases/Injuries / Epilepsy

Reference code: PT/FB/BL-2004-016.06
Location: Arquivo PCA - Pasta 24/2004
Title:
Dissociable memory impairments after selective bilateral fornix damage
Publication year: 2007
URL:
http://journals.cambridge.org/download.php?file=%2FINS%2FINS13_S2%2FS1355617707071408a.pdf&code=944a856f9d4aaadba239898b8d35813a
Abstract/Results: ABSTRACT:
OBJECTIVE:
The fornix is the major efferent pathway connecting the hippocampus with the diencephalon and the frontal lobe and it is regarded as a key link in the memory circuit comprising these structures. It remains a topic of debate whether this circuit supports a unique episodic memory system that can be dissociated from other memory systems. The objective of our study was to test the hypothesis of dissociable memory impairments following fornix damage.
PARTICIPANTS AND METHODS:
We have comprehensively investigated memory performance in a patient, J. T., with selective bilateral fornix damage resulting from neurosurgical cyst removal through a transcallosal approach. Standard neuropsychological assessment of all cognitive functions was performed approximately one year after surgery. Further assessment aimed at clarifying the memory impairments of the patient included a large number of both standard and experimental tests of recall and recognition memory, spatial memory and procedural memory.
RESULTS:
Standard neuropsychological tests revealed severe impairment in episodic memory recall, with relatively intact recognition memory, while all other cognitive functions were normal. The long-term episodic memory deficits were confirmed in all subsequent tests, while patient J.T. consistently showed normal recognition memory in the Warrington Recognition Memory Test (RMT) for faces, a Delayed Matching-to-Sample (DMS) test and a Visual Paired Comparison (VPC) test. Moreover, patient J.T. was severely impaired in an Object - Relocation spatial memory test, when involving object to location binding but not so for positions only memory conditions. Normal perceptual-motor skill learning was observed in two standard tasks, mirror tracing and rotary pursuit.
CONCLUSIONS:
In summary, our results support the hypothesis that the fornix is part of a memory circuit essential for recollection and recall but not familiarity processes. Our study further demonstrates spatial memory impairments and preserved procedural memory after fornix damage.
Accessibility: Document does not exist in file
Language:
eng
Author:
Figueiredo, P.
Secondary author(s):
Cavaco, S., Almeida, I., Van Asselen, M., Massano, J., Cunha, C., Machado, E., Santana, I., Castelo-Branco, M.
Document type:
Abstract
Number of reproductions:
1
Reference:
Figueiredo, P., Cavaco, S., Almeida, I., Van Asselen, M., Massano, J., Cunha, C., Machado, E., Santana, I., & Castelo-Branco, M. (2007). Dissociable memory impairments after selective bilateral fornix damage. Journal of the International Neuropsychological Society, 13(Suppl. 2), S45. doi: 10.1017/S1355617707071408
Indexed document: Yes
Keywords: Psychophysiology / Memory / Fornix damage

Dissociable memory impairments after selective bilateral fornix damage

Dissociable memory impairments after selective bilateral fornix damage

DocumentDissociating the neural correlates of verbal and visual episodic memory in normal subjects and in patients with medial temporal lobe pathology2005

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-2004
Location: Arquivo PCA - Pastas 1 a 25/2004
Title:
2004 Grants
Start date: 2005-01 - 2012-09
Dimension/support:
25 caixas de arquivo

Reference code: PT/FB/BL-2004-016
Location: Arquivo PCA - Pasta 24/2004
Title:
016 - Perceptual memory in the human visual system
Duration: 2006-02 - 2010-04
Researcher(s):
Patrícia Margarida Piedade Figueiredo, Mafalda Cavalheiro Gomes Moreira Mendes, Maria Fátima Loureiro da Silva, João Abel Loureiro Marques Xavier, Carlos Gomes
Institution(s): Instituto Biofísico para a Investigação em Luz e Imagem (IBILI), Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Abstracts and posters
Informed consent forms
Review of the final report
Language: eng
Author:
Figueiredo, P.
Secondary author(s):
Mendes, M., Silva, M. F., Xavier, J., Gomes, C.
Number of reproductions:
1
Keywords:
Psychophysiology / Body structure and function / Vision / Cognitive processes / Memory / Learning / Perception / Biopsychological problems / Diseases/Injuries / Epilepsy

Reference code: PT/FB/BL-2004-016.07
Location: Arquivo PCA - Pasta 24/2004
Title:
Dissociating the neural correlates of verbal and visual episodic memory in normal subjects and in patients with medial temporal lobe pathology
Publication year: 2005
URL:
http://www.sfn.org/Annual-Meeting/Past-and-Future-Annual-Meetings/Abstract-Archive/Abstract-Archive-Search
Abstract/Results: ABSTRACT:
Substantial evidence supports the involvement of the human medial temporal lobe (MTL) in episodic memory. Although differential roles have been attributed to left and right MTL in mediating verbal and visual memory, few studies have directly shown a clear material-specific dissociation. This issue becomes particularly relevant in the pre-operative evaluation of temporal lobe epilepsy (TLE) patients with hippocampal sclerosis (HS). Here, we used functional magnetic resonance imaging (fMRI) to compare the neural correlates of verbal and visual episodic memory during both encoding and recognition tasks, in a group of normal subjects and in TLE patients with unilateral right and left HS. Abstract words and line drawings designed so as to separate the verbal and visual components of the material were used [Jones-Gotman, 1997]. Statistical analysis for the control group shows a left-lateralized pattern of activation, including the left anterior hippocampus and the left parahippocampus, for the verbal material. Activity during visual encoding was largely bilateral and included the right posterior hippocampus and both parahippocampi. Results in patients suggest greater MTL activity on the side contralateral to the lesion. These results are consistent with data from neuropsychological tests using the same material. The relative unimpairment of right TLE patients on the visual memory task could be explained by the posterior location of right hippocampal activation relative to the more anterior lesion site. This is in contrast with the impairment of left TLE patients on the verbal memory task, which involves the anterior portion of the left hippocampus. In conclusion, this study supports material-dependent regional dissociations of MTL function which may help explain neuropsychological findings in patients with MTL damage.
Accessibility: Document does not exist in file
Language:
eng
Author:
Figueiredo, P.
Secondary author(s):
Santana, E., Machado, C., Cunha, A., Pinto, M., Castelo-Branco, M.
Document type:
Online abstract
Number of reproductions:
1
Reference:
Figueiredo, P., Santana, I., Machado, E., Cunha, C., Pinto, A., & Castelo-Branco, M. (2005). Dissociating the neural correlates of verbal and visual episodic memory in normal subjects and in patients with medial temporal lobe pathology. Program No. 191.12. 2005 Abstract Viewer/Itinerary Planner. Washington, DC, USA. Society for Neuroscience, 2005. Online.
Indexed document: No
Keywords: Hippocampus / Functional magnetic resonance imaging (fMRI) / Epilepsy / Lateralization

DocumentRetrieval of abstract line drawings modulates activity in retinotopic visual areas2005

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-2004
Location: Arquivo PCA - Pastas 1 a 25/2004
Title:
2004 Grants
Start date: 2005-01 - 2012-09
Dimension/support:
25 caixas de arquivo

Reference code: PT/FB/BL-2004-016
Location: Arquivo PCA - Pasta 24/2004
Title:
016 - Perceptual memory in the human visual system
Duration: 2006-02 - 2010-04
Researcher(s):
Patrícia Margarida Piedade Figueiredo, Mafalda Cavalheiro Gomes Moreira Mendes, Maria Fátima Loureiro da Silva, João Abel Loureiro Marques Xavier, Carlos Gomes
Institution(s): Instituto Biofísico para a Investigação em Luz e Imagem (IBILI), Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Abstracts and posters
Informed consent forms
Review of the final report
Language: eng
Author:
Figueiredo, P.
Secondary author(s):
Mendes, M., Silva, M. F., Xavier, J., Gomes, C.
Number of reproductions:
1
Keywords:
Psychophysiology / Body structure and function / Vision / Cognitive processes / Memory / Learning / Perception / Biopsychological problems / Diseases/Injuries / Epilepsy

Reference code: PT/FB/BL-2004-016.08
Location: Arquivo PCA - Pasta 24/2004
Title:
Retrieval of abstract line drawings modulates activity in retinotopic visual areas
Publication year: 2005
URL:
http://www.perceptionweb.com/abstract.cgi?id=v050249
Abstract/Results: ABSTRACT:
Growing evidence suggests that brain regions that process incoming sensory information can also be involved in the subsequent retrieval of that information from memory. Recent neuro-imaging studies have shown content-specific retrieval activity, corroborating this hypothesis. Mental-imagery experiments have also found that activation patterns are material-dependent. In particular, activation of primary visual cortex (V1) has been reported for visual-imagery tasks requiring examination of fine spatial features. Here, we used functional magnetic resonance imaging (fMRI) to study the episodic encoding and subsequent retrieval of a set of line drawings and a set of words. The line drawings were composed of simple shapes with a complex abstract configuration and episodic encoding was achieved by asking subjects to perform angle comparisons. Group statistical analysis revealed stimulus-related and task-related activity in occipito temporal and parietal areas, which were used to functionally define regions of interest (ROIs). Contrast between activations induced by old versus new items during retrieval was found to be significant in areas within these ROIs, including retinotopic visual cortex extending as early as V1. No such modulation could be observed during retrieval of words. These results support the hypothesis of reinstatement upon retrieval of the perceptual activity engaged during episodic encoding. Most notably, they seem to suggest involvement of retinotopic visual areas during retrieval of line drawings, possibly because these cannot easily be categorised as objects and therefore require examination of fine spatial features. This observation is consistent with findings from visual-imagery experiments. Further studies with fine mapping of retinotopic and non-retinotopic areas should clarify the content specificity of the observed modulations. [Supported by FCT-POCTI/NSE/46438/2002]
Accessibility: Document does not exist in file
Language:
eng
Author:
Figueiredo, P.
Secondary author(s):
Machado, E., Santana, I., Castelo-Branco, M.
Document type:
Abstract
Number of reproductions:
1
Reference:
Figueiredo, P., Machado, E., Santana, I., & Castelo-Branco, M. (2005). Retrieval of abstract line drawings modulates activity in retinotopic visual areas. Perception, 34(Suppl.), S76. doi: 10.1068/v050249
Indexed document: Yes
Keywords: Psychophysiology / Memory / Functional magnetic resonance imaging (fMRI)

DocumentPerceptual memory in the human visual system2010

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-2004
Location: Arquivo PCA - Pastas 1 a 25/2004
Title:
2004 Grants
Start date: 2005-01 - 2012-09
Dimension/support:
25 caixas de arquivo

Reference code: PT/FB/BL-2004-016
Location: Arquivo PCA - Pasta 24/2004
Title:
016 - Perceptual memory in the human visual system
Duration: 2006-02 - 2010-04
Researcher(s):
Patrícia Margarida Piedade Figueiredo, Mafalda Cavalheiro Gomes Moreira Mendes, Maria Fátima Loureiro da Silva, João Abel Loureiro Marques Xavier, Carlos Gomes
Institution(s): Instituto Biofísico para a Investigação em Luz e Imagem (IBILI), Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Abstracts and posters
Informed consent forms
Review of the final report
Language: eng
Author:
Figueiredo, P.
Secondary author(s):
Mendes, M., Silva, M. F., Xavier, J., Gomes, C.
Number of reproductions:
1
Keywords:
Psychophysiology / Body structure and function / Vision / Cognitive processes / Memory / Learning / Perception / Biopsychological problems / Diseases/Injuries / Epilepsy

Reference code: PT/FB/BL-2004-016.09
Location: Arquivo PCA - Pasta 24/2004
Title:
Perceptual memory in the human visual system
Publication year: 2010
URL:
http://www.bial.com/simposio/Livro_de_Actas_8_Simposio.pdf
Abstract/Results: ABSTRACT:
INTRODUCTION:
It is a well established observation that plane inversion causes deterioration of performance in face discrimination tasks – the so-called face inversion effect (FIE). This phenomenon suggests that the human visual system contains specialized processing mechanisms that are more engaged by upright faces than by inverted faces or non-face objects. One prominent hypothesis proposes that such specialization results from
extensive practice with upright faces, leading to expertise for this canonical orientation. Here, we aimed to investigate perceptual learning for faces presented in multiple orientations, by conducting both psychophysics and functional magnetic resonance imaging (fMRI) experiments.
METHODS:
We conducted two psychophysics experiments in which participants performed a same / different discrimination task (DT) on pairs of faces: for orientations ranging between 0 and 300° over one session (Experiment 1) and for a single orientation over four training sessions (Experiment 2). We then conducted an fMRI experiment to investigate the neural correlates of face perception at multiple orientations.
RESULTS:
A quadratic effect was observed across orientations for both reaction times and error rates, indicating a deterioration of performance away from 0° and towards 180°. In Experiment 2, we observed a main effect of session, indicating that participants became significantly faster and more accurate with training. Finally, when tested with a different orientation (240°) at the end of the last session, participants showed a similar
performance compared with the trained orientation (120°), suggesting that transfer of learning across orientations took place.
CONCLUSIONS:
In summary, we have showed a consistent effect of face orientation in both behavioural and neuroimaging results. Specifically, we found that participants gave more errors and were slower in their responses as faces were rotated away from 0º. In addition, performance was improved when participants underwent periods of training, both for trained and untrained orientations. Consistently with the expertise hypothesis, we also
found a parametric modulation of fMRI activity in specialized visual brain areas, according to the quadratic behavioural effect of face orientation.
PUBLICATIONS:
- Gomes CA, Mendes M, Figueiredo P. (2009) Perceptual learning for multiple face orientations. Perception. Vol. 38 Supp., p. 79.
- Gomes CA, Mendes M, Figueiredo P. (2009) Perceptual learning for multiple face orientations. APPE 2009, Lisboa, Portugal.
Accessibility: Document does not exist in file
Language:
eng
Author:
Figueiredo, P.
Secondary author(s):
Mendes, M., Silva, M. F., Xavier, J., Gomes, C.
Document type:
Conference abstract
Number of reproductions:
1
Reference:
Figueiredo, P., Mendes, M., Silva, M. F., Xavier, J., & Gomes, C. (2010). Perceptual memory in the human visual system. In Aquém e além do cérebro. Behind and beyond the brain. Proceedings of the 8th Symposium of Fundação Bial (p. 186). Porto: Fundação Bial.
Indexed document: No
Keywords: Face perception / Learning / Expertise / Psychophysics / Functional magnetic resonance imaging (fMRI)

Perceptual memory in the human visual system

Perceptual memory in the human visual system

DocumentSpecific dorsal and ventral visual stream deficits in Mild Cognitive Impairment and Alzheimer’s Disease 2008

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-2004
Location: Arquivo PCA - Pastas 1 a 25/2004
Title:
2004 Grants
Start date: 2005-01 - 2012-09
Dimension/support:
25 caixas de arquivo

Reference code: PT/FB/BL-2004-016
Location: Arquivo PCA - Pasta 24/2004
Title:
016 - Perceptual memory in the human visual system
Duration: 2006-02 - 2010-04
Researcher(s):
Patrícia Margarida Piedade Figueiredo, Mafalda Cavalheiro Gomes Moreira Mendes, Maria Fátima Loureiro da Silva, João Abel Loureiro Marques Xavier, Carlos Gomes
Institution(s): Instituto Biofísico para a Investigação em Luz e Imagem (IBILI), Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Abstracts and posters
Informed consent forms
Review of the final report
Language: eng
Author:
Figueiredo, P.
Secondary author(s):
Mendes, M., Silva, M. F., Xavier, J., Gomes, C.
Number of reproductions:
1
Keywords:
Psychophysiology / Body structure and function / Vision / Cognitive processes / Memory / Learning / Perception / Biopsychological problems / Diseases/Injuries / Epilepsy

Reference code: PT/FB/BL-2004-016.10
Location: Arquivo PCA - Pasta 24/2004
Title:
Specific dorsal and ventral visual stream deficits in Mild Cognitive Impairment and Alzheimer’s Disease
Publication year: 2008
URL:
http://www.abstractsonline.com/Plan/ViewAbstract.aspx?sKey=a59addd8-37ba-40f3-856b-300c57761692&cKey=98f87a83-899a-4f86-8749-1cf2cfb41729&mKey=%7bAFEA068D-D012-4520-8E42-10E4D1AF7944%7d
Abstract/Results: ABSTRACT:
OBJECTIVE:
Mild cognitive impairment (MCI) is thought to represent a transitional stage between normal aging and early dementia, particularly Alzheimer’s disease (AD). Visual impairments have been reported in AD, consistently with the presence of cortical degeneration in visual areas. We aimed to investigate whether such deficits are already present at the stage of MCI.
METHODS:
Groups of amnestic MCI (N=20), AD (N=20) and matched controls (N=20) were studied. Patients were recruited following diagnosis through neurological and neuropsychological assessment, using Petersen’s classification criteria for MCI. All participants provided informed consent and underwent ophthalmologic examination to exclude any relevant retinal pathology.
Cognitive function was assessed using a neuropsychological battery, consisting of: WAIS III - Vocabulary, Digit Span and Digit Symbol; Rey Auditory Verbal Learning Test (AVLT); Benton Visual Retention Test and Benton Face Recognition Test. Visual function was further assessed using psychophysical tests: Frequency Doubling Test; Cambridge Colour Test; Structure From Motion (SFM) perception and visual search.
RESULTS:
Results: Statistical analysis of the data showed significant effects of group in all tests. Post-hoc comparison between groups revealed significant impairment of AD patients relative to controls in all tests, while MCI patients were impaired only in AVLT recall, Digit Symbol task, SFM discrimination threshold and visual search reaction times. In all cases, MCI patients were significantly less impaired than AD patients.
DISCUSSION:
Our results confirm the presence of severe visual function deficits in AD, by using objective psychophysical tests of contrast sensitivity, colour perception, structure from motion and face perception. In MCI patients, specific deficits were found for SFM and visual search, suggesting that parietal function becomes affected early in the course of disease, while occipital cortex degeneration probably occurs only at a later stage of dementia. Overall, our results indicate a dissociation between dorsal and ventral visual stream deficits in amnestic types of dementia.
Accessibility: Document does not exist in file
Language:
eng
Author:
Figueiredo, P.
Secondary author(s):
Lemos, R., Santana, I., Van Asselen, M., Simões, M. R., Castelo-Branco, M.
Document type:
Online abstract
Number of reproductions:
1
Reference:
Figueiredo, P., Lemos, R., Santana, I., Van Asselen, M., Simões, M. R., & Castelo-Branco, M. (2008). Specific dorsal and ventral visual stream deficits in Mild Cognitive Impairment and Alzheimer’s Disease. Program No. 386.18/SS41. 2008 Neuroscience Meeting Planner. Washington, DC: Society for Neuroscience, 2008. Online.
Indexed document: No
Keywords: Psychophysiology / Mild cognitive impairment (MCI) / Alzheimer's disease / Visual impairment