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File073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging2008-012011-09

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-2006-073
Location: Arquivo PCA - Pasta 22/2006
Title:
073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Duration: 2008-01 - 2011-09
Researcher(s):
Marieke van Asselen, Albert Postma, António Freire Gonçalves, Inês Almeida, José Rebola
Institution(s): IBILI - Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
5 Articles
Language: eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Learning / Biopsychological problems / Neurodegenerative disorders / Huntington's disease / Parkinson's disease
DocumentFinal report - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging2011

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-2006-073
Location: Arquivo PCA - Pasta 22/2006
Title:
073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Duration: 2008-01 - 2011-09
Researcher(s):
Marieke van Asselen, Albert Postma, António Freire Gonçalves, Inês Almeida, José Rebola
Institution(s): IBILI - Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
5 Articles
Language: eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Learning / Biopsychological problems / Neurodegenerative disorders / Huntington's disease / Parkinson's disease

Reference code: PT/FB/BL-2006-073.01
Location: Arquivo PCA - Pasta 22/2006
Title:
Final report - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Publication year: 2011
URL:
http://www.bial.com/imagem/Bolsa7306_21022014.pdf
Abstract/Results: RESULTS:
During this research project (73/06) we investigated the mechanism underlying implicit contextual learning as well as its neural correlates. Implicit contextual cueing is a learning mechanism in which visual information from our environment is memorized in order to facilitate visual search.
In the first part of our research project we studied the mechanism underlying implicit contextual cueing using eye movement recording. First, we showed that peripheral vision can be used to memorize the context of a target (Van Asselen et al. 2009), whereas in our following study we demonstrated that object-based contextual cueing is associated with shorter fixation durations (Van Asselen et al., 2010). Finally, we showed that when two contextual cues are presented simultaneously, the contextual cueing effect is much larger than when one cue is presented. This effect is associated with fewer fixations and shorter saccade amplitudes, suggesting that a different search strategy is used.
In the second part of this research project we aimed to look at the neural basis of implicit contextual cueing. Therefore, we tested patients with Huntington’s and Parkinson’s disease with a contextual cueing task and found that these patients are not able to benefit from the repeated contextual information (Van Asselen et al., 2009). Since both of these neurodegenerative diseases affect the basal ganglia, our findings suggest an important role for this brain area. Finally, by using fMRI we demonstrated that the exact neural network that is involved in implicit contextual cueing depends on the type of cues (object or spatial) that are used to guide attention.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Van Asselen, M.
Document type:
Final report
Number of reproductions:
1
Indexed document:
No
Keywords: Psychophysiology / Implicit contextual learning / Neural correlates / Eye movements / Huntington's disease / Parkinson's disease / Basal ganglia / Perception

Final report - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging

Final report - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
DocumentThe role of the basal ganglia in implicit contextual learning: A study of 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-2006-073
Location: Arquivo PCA - Pasta 22/2006
Title:
073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Duration: 2008-01 - 2011-09
Researcher(s):
Marieke van Asselen, Albert Postma, António Freire Gonçalves, Inês Almeida, José Rebola
Institution(s): IBILI - Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
5 Articles
Language: eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Learning / Biopsychological problems / Neurodegenerative disorders / Huntington's disease / Parkinson's disease

Reference code: PT/FB/BL-2006-073.02
Location: Arquivo PCA - Pasta 22/2006
Title:
The role of the basal ganglia in implicit contextual learning: A study of Parkinson’s disease
Publication year: 2009
URL:
http://www.sciencedirect.com/science/article/pii/S0028393209000165
Abstract/Results: ABSTRACT:
Implicit contextual learning refers to the ability to memorize contextual information from our environment. This contextual information can then be used to guide our attention to a specific location. Although the medial temporal lobe is important for this type of learning, the basal ganglia might also be involved considering its role in many implicit learning processes. In order to understand the role of the basal ganglia in this top-down process, a group of non-demented early-stage Parkinson's patients were tested with a contextual cueing task. In this visual search task, subjects have to quickly locate a target among a number of distractors. To test implicit contextual learning, some of the configurations are repeated during the experiment, resulting in faster responses. A significant interaction effect was found between Group and Configuration, indicating that the control subjects responded faster when the spatial context was repeated, whereas Parkinson's patients failed to do so. These results, showing that the contextual cueing effect was significantly different for the patients than for the controls, suggest an important role for the basal ganglia in implicit contextual learning, thus extending previous findings of medial temporal lobe involvement. The basal ganglia are therefore not only involved in implicit motor learning, but may also have a role in purely visual implicit learning.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Van Asselen, M.
Secondary author(s):
Almeida, I., André, R., Januário, C., Gonçalves, A., Castelo-Branco, M.
Document type:
Article
Number of reproductions:
1
Reference:
Van Asselen, M., Almeida, I., André, R., Januário, C., Gonçalves, A., & Castelo-Branco, M. (2009). The role of the basal ganglia in implicit contextual learning: A study of Parkinson’s disease. Neuropsychologia, 47(5), 1269-1273. https://doi.org/10.1016/j.neuropsychologia.2009.01.008
2-year Impact Factor: 4.345|2009
Times cited: 37|2025-02-07
Indexed document: Yes
Quartile: Q1
Keywords: Implicit contextual cueing / Spatial / Memory / Parkinson's disease / Basal ganglia

The role of the basal ganglia in implicit contextual learning: A study of Parkinson’s disease

The role of the basal ganglia in implicit contextual learning: A study of Parkinson’s disease
DocumentThe role of peripheral vision in implicit contextual cueing2009

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-2006-073
Location: Arquivo PCA - Pasta 22/2006
Title:
073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Duration: 2008-01 - 2011-09
Researcher(s):
Marieke van Asselen, Albert Postma, António Freire Gonçalves, Inês Almeida, José Rebola
Institution(s): IBILI - Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
5 Articles
Language: eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Learning / Biopsychological problems / Neurodegenerative disorders / Huntington's disease / Parkinson's disease

Reference code: PT/FB/BL-2006-073.03
Location: Arquivo PCA - Pasta 22/2006
Title:
The role of peripheral vision in implicit contextual cueing
Publication year: 2009
URL:
http://www.ncbi.nlm.nih.gov/pubmed/19304598
Abstract/Results: ABSTRACT:
Implicit contextual cuing refers to the ability to learn the association between contextual information of our environment and a specific target, which can be used to guide attention during visual search. It was recently suggested that the storage of a snapshot image of the local context of a target underlies implicit contextual cuing. To make such a snapshot, it is necessary to use peripheral vision. In order to test whether peripheral vision can underlie implicit contextual cuing, we used a covert visual search task, in which participants were required to indicate the orientation of a target stimulus while foveating a fixation cross. The response times were shorter when the configuration of the stimuli was repeated than when the configuration was new. Importantly, this effect was still found after 10 days, indicating that peripherally perceived spatial context information can be stored in memory for long periods of time. These results indicate that peripheral vision can be used to make a snapshot of the local context of a target.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Van Asselen, M.
Secondary author(s):
Castelo-Branco, M.
Document type:
Article
Number of reproductions:
1
Reference:
Van Asselen, M., & Castelo-Branco, M. (2009). The role of peripheral vision in implicit contextual cueing. Attention, Perception, & Psychophysics, 71(1), 76-81. https://doi.org/10.3758/APP.71.1.76
2-year Impact Factor: 1.333|2010
Impact factor notes: Impact factor computed since 2010
Times cited: 29|2025-02-07
Indexed document: Yes
Quartile: Q4
Keywords: Implicit contextual cueing / Peripheral vision / Spatial analysis / Memory

The role of peripheral vision in implicit contextual cuing

The role of peripheral vision in implicit contextual cuing
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-2006-073
Location: Arquivo PCA - Pasta 22/2006
Title:
073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Duration: 2008-01 - 2011-09
Researcher(s):
Marieke van Asselen, Albert Postma, António Freire Gonçalves, Inês Almeida, José Rebola
Institution(s): IBILI - Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
5 Articles
Language: eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Learning / Biopsychological problems / Neurodegenerative disorders / Huntington's disease / Parkinson's disease

Reference code: PT/FB/BL-2006-073.04
Location: Arquivo PCA - Pasta 22/2006
Title:
Object based implicit contextual learning: A study of eye movements
Publication year: 2010
URL:
http://www.ncbi.nlm.nih.gov/pubmed/21264718
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 exists in file
Copyright/Reproduction:
By permission
Language:
eng
Related objects:
PT/FB/BL-2006-94.04
Author: Van Asselen, M.
Secondary author(s):
Sampaio, J., Pina, A., Castelo-Branco, M.
Document type:
Article
Number of reproductions:
1
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. https://doi.org/10.3758/s13414-010-0047-9
2-year Impact Factor: 1.333|2010
Times cited: 19|2025-02-07
Indexed document: Yes
Quartile: Q3
Keywords: Implicit learning / Eye movements / Contextual cueing

Object based implicit contextual learning: A study of eye movements

Object based implicit contextual learning: A study of eye movements
DocumentImplicit contextual learning in prodromal and early stage Huntington's disease patients2012

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-2006-073
Location: Arquivo PCA - Pasta 22/2006
Title:
073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Duration: 2008-01 - 2011-09
Researcher(s):
Marieke van Asselen, Albert Postma, António Freire Gonçalves, Inês Almeida, José Rebola
Institution(s): IBILI - Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
5 Articles
Language: eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Learning / Biopsychological problems / Neurodegenerative disorders / Huntington's disease / Parkinson's disease

Reference code: PT/FB/BL-2006-073.05
Location: Arquivo PCA - Pasta 22/2006
Title:
Implicit contextual learning in prodromal and early stage Huntington's disease patients
Publication year: 2012
URL:
http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=8631149
Abstract/Results: ABSTRACT:
Huntington's disease (HD) is a genetic neurodegenerative disorder affecting the basal ganglia. These subcortical structures are particularly important for motor functions, response selection and implicit learning. In the current study, we have assessed prodromal and symptomatic HD participants with an implicit contextual learning task that is not based on motor learning, but on a purely visual implicit learning mechanism. We used an implicit contextual learning task in which subjects need to locate a target among several distractors. In half of the trials, the positions of the distractors and target stimuli were repeated. By memorizing this contextual information, attention can be guided faster to the target stimulus. Nine symptomatic HD participants, 16 prodromal HD participants and 22 control subjects were included. We found that the responses of the control subjects were faster for the repeated trials than for the new trials, indicating that their visual search was facilitated when repeated contextual information was present. In contrast, no difference in response times between the repeated and new trials was found for the symptomatic and prodromal HD participants. The results of the current study indicate that both prodromal and symptomatic HD participants are impaired on an implicit contextual learning task.
Accessibility: Document exists in file (previous version submitted for publication)
Copyright/Reproduction:
By permission
Language:
eng
Author:
Van Asselen, M.
Secondary author(s):
Almeida, I., Júlio, F., Januário, C., Bobrowicz-Campos, E., Simões, M. R., Castelo-Branco, M.
Document type:
Article
Number of reproductions:
1
Reference:
Van Asselen, M., Almeida, I., Júlio, F., Januário, C., Bobrowicz-Campos, E., Simões, M. R., Castelo-Branco, M. (2012). Implicit contextual learning in prodromal and early stage Huntington's disease patients. Journal of the International Neuropsychological Society, 18(4), 689-696. https://doi.org/10.1017/S1355617712000288
2-year Impact Factor: 2.697|2012
Times cited: 11|2025-02-10
Indexed document: Yes
Quartile: Q2
Keywords: Huntington's disease / Neurodegenerative disorder / Implicit contextual learning / Basal ganglia / Visual search

Implicit contextual learning in prodromal and early stage Huntington's disease patients

Implicit contextual learning in prodromal and early stage Huntington's disease patients
DocumentScanning patterns of faces do not explain impaired emotion recognition in Huntington disease: Evidence for a high level mechanism2012

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-2006-073
Location: Arquivo PCA - Pasta 22/2006
Title:
073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Duration: 2008-01 - 2011-09
Researcher(s):
Marieke van Asselen, Albert Postma, António Freire Gonçalves, Inês Almeida, José Rebola
Institution(s): IBILI - Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
5 Articles
Language: eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Learning / Biopsychological problems / Neurodegenerative disorders / Huntington's disease / Parkinson's disease

Reference code: PT/FB/BL-2006-073.06
Location: Arquivo PCA - Pasta 22/2006
Title:
Scanning patterns of faces do not explain impaired emotion recognition in Huntington disease: Evidence for a high level mechanism
Publication year: 2012
URL:
http://www.ncbi.nlm.nih.gov/pubmed/22355293
Abstract/Results: ABSTRACT:
In the current study, we aimed to investigate the emotion recognition impairment in Huntington’s disease (HD) patients and define whether this deficit is caused by impaired scanning patterns of the face. To achieve this goal, we recorded eye movements during a two-alternative forced-choice emotion recognition task. HD patients in pre-symptomatic (n=16) and symptomatic (n=9) disease stages were tested and their performance was compared to a control group (n=22). In our emotion recognition task, participants had to indicate whether a face reflected one of six basic emotions. In addition, and in order to define whether emotion recognition was altered when the participants were forced to look at a specific component of the face, we used a second task where only limited facial information was provided (eyes/mouth in partially masked faces). Behavioral results showed no differences in the ability to recognize emotions between pre-symptomatic gene carriers and controls. However, an emotion recognition deficit was found for all six basic emotion categories in early stage HD. Analysis of eye movement patterns showed that patient and controls used similar scanning strategies. Patterns of deficits were similar regardless of whether parts of the faces were masked or not, thereby confirming that selective attention to particular face parts is not underlying the deficits. These results suggest that the emotion recognition deficits in symptomatic HD patients cannot be explained by impaired scanning patterns of faces. Furthermore, no selective deficit for recognition of disgust was found in pre-symptomatic HD patients.
Accessibility: Document does not exist in file
Language:
eng
Author:
Van Asselen, M.
Secondary author(s):
Júlio, F., Januário, C., Bobrowicz-Campos, E., Almeida, I., Cavaco, S., Castelo-Branco, M.
Document type:
Article
Number of reproductions:
1
Reference:
Van Asselen, M., Júlio, F., Januário, C., Bobrowicz-Campos, E., Almeida, I., Cavaco, S., & Castelo-Branco, M. (2012). Scanning patterns of faces do not explain impaired emotion recognition in Huntington disease: Evidence for a high level mechanism. Frontiers in Psychology, 3, 31. https://doi.org/10.3389/fpsyg.2012.00031
2-year Impact Factor: 2.843|2013
Impact factor notes: Impact factor computed since 2013
Times cited: 21|2025-02-10
Indexed document: Yes
Quartile: Q1
Keywords: Huntington's disease / Emotion recognition / Eye movements / Scanning patterns of faces

Scanning patterns of faces do not explain impaired emotion recognition in Huntington disease: Evidence for a high level mechanism

Scanning patterns of faces do not explain impaired emotion recognition in Huntington disease: Evidence for a high level mechanism
DocumentThe influence of healthy aging on implicit contextual cueingn.d.

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-2006-073
Location: Arquivo PCA - Pasta 22/2006
Title:
073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Duration: 2008-01 - 2011-09
Researcher(s):
Marieke van Asselen, Albert Postma, António Freire Gonçalves, Inês Almeida, José Rebola
Institution(s): IBILI - Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
5 Articles
Language: eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Learning / Biopsychological problems / Neurodegenerative disorders / Huntington's disease / Parkinson's disease

Reference code: PT/FB/BL-2006-073.07
Location: Arquivo PCA - Pasta 22/2006
Title:
The influence of healthy aging on implicit contextual cueing
Publication year: n.d.
Accessibility:
Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Van Asselen, M.
Secondary author(s):
Almeida, I., Lemos, R., Castelo-Branco, M.
Document type:
Unpublished document
Number of reproductions:
1
Reference:
Van Asselen, M., Almeida, I., Lemos, R., & Castelo-Branco, M. (n.d.). The influence of healthy aging on implicit contextual cueing [Unpublished document].
Indexed document: No
Keywords: Implicit contextual cueing / Visual search / Healthy aging

The influence of healthy aging on implicit contextual cueing

The influence of healthy aging on implicit contextual cueing
DocumentInfluence of object based implicit contextual learning on eye movements2011

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-2006-073
Location: Arquivo PCA - Pasta 22/2006
Title:
073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Duration: 2008-01 - 2011-09
Researcher(s):
Marieke van Asselen, Albert Postma, António Freire Gonçalves, Inês Almeida, José Rebola
Institution(s): IBILI - Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
5 Articles
Language: eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Learning / Biopsychological problems / Neurodegenerative disorders / Huntington's disease / Parkinson's disease

Reference code: PT/FB/BL-2006-073.08
Location: Arquivo PCA - Pasta 22/2006
Title:
Influence of object based implicit contextual learning on eye movements
Publication year: 2011
URL:
http://webs.psi.uminho.pt/appe/past/2011/files/PostersAPPE2011.pdf
Abstract/Results: ABSTRACT:
Implicit contextual cueing is a top-down mechanism in which visual search is facilitated by learned contextual features. In the current study we investigate the mechanism underlying this phenomenon. In contrast to previous studies in which spatial information was used as a contextual cue, we used object identity. By memorizing the covariation of objects that are present in our environment, attention can be guided faster to a specific target. We measured eye movements during a visual search task containing repeated object information. We showed 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
Author:
Rodrigues, A.
Secondary author(s):
Sampaio, J., Castelo-Branco, M., Van Asselen, M.
Document type:
Online abstract
Number of reproductions:
1
Reference:
Rodrigues, A., Sampaio, J.,Castelo-Branco, M., & Van Asselen, M. (2011, March). Influence of object based implicit contextual learning on eye movements. Poster presented at the 6º Encontro Nacional da Associação Portuguesa de Psicologia Experimental, Coimbra, Portugal. Abstract retrieved from http://webs.psi.uminho.pt/appe/past/2011/files/PostersAPPE2011.pdf
Indexed document: No
Keywords: Implicit contextual cueing / Visual search / Object identity / Eye movements

Influence of object based implicit contextual learning on eye movements

Influence of object based implicit contextual learning on eye movements
DocumentBasal ganglia dysfunction caused by Huntington's disease impairs nonmotor visual learning2010

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-2006-073
Location: Arquivo PCA - Pasta 22/2006
Title:
073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Duration: 2008-01 - 2011-09
Researcher(s):
Marieke van Asselen, Albert Postma, António Freire Gonçalves, Inês Almeida, José Rebola
Institution(s): IBILI - Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
5 Articles
Language: eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Learning / Biopsychological problems / Neurodegenerative disorders / Huntington's disease / Parkinson's disease

Reference code: PT/FB/BL-2006-073.09
Location: Arquivo PCA - Pasta 22/2006
Title:
Basal ganglia dysfunction caused by Huntington's disease impairs nonmotor visual learning
Publication year: 2010
URL:
http://fens2010.neurosciences.asso.fr/abstracts/R4/A114_50.html
Abstract/Results: ABSTRACT:
Huntington's disease (HD) is a genetic neurodegenerative disorder that mainly affects the basal ganglia, although damage to cortical areas is also found. The basal ganglia are a set of subcortical structures that are particularly important for motor functions, action selection, reinforcement learning and implicit learning. However, recent studies have indicated that they might also be involved in implicit learning that does not involve motor functions and is purely based on visual learning (Castelo-Branco, et al. 2009; Van Asselen et al., 2009). To further investigate this, we have used an implicit contextual learning paradigm to test patients with HD.
This is a visual search task, in which subjects need to locate a target as quickly as possible. Importantly, in half of the trials the positions of the distractors and target stimuli are repeated and this spatial information is used as a contextual cue. By memorizing this contextual information, attention is guided to the target stimulus. Since HD is a genetic disease, patients can be diagnosed before the onset of motor and cognitive symptoms. In the current study we tested 9 symptomatic HD patients, 14 presymptomatic HD patients and 21 control subjects.
We found that the responses of the control subjects were faster for the repeated trials than for the new trials, indicating that their visual search was facilitated when repeated contextual information was present. In contrast, no difference in response times between the repeated and new trials was found for the symptomatic and presymptomatic HD patients. Thus, the HD patients did not learn the repeated contextual information and improve their visual search. Together, this indicates that the basal ganglia are not only involved in implicit motor learning, but also have an important role in purely visually based implicit learning. Furthermore, this impairment is found early in the disease, before the onset of other cognitive and motor impairments.
Accessibility: Document does not exist in file
Language:
eng
Related objects:
PT/FB/BL-2006-94.25
Author: Van Asselen, M.
Secondary author(s):
Júlio, F., Almeida, I., Januário, C., Bobrowicz-Campos, E., Gonçalves, A., Castelo-Branco, M.
Document type:
Online abstract
Number of reproductions:
1
Reference:
Van Asselen, M., Júlio, F., Almeida, I., Januário, C., Bobrowicz-Campos, E., Gonçalves, A., & Castelo-Branco, M. (2010, July). Basal ganglia dysfunction caused by Huntington's disease impairs nonmotor visual learning. Poster presented at the 7th FENS Forum of European Neuroscience, Amsterdam, Netherlands. Abstract retrieved from http://fens2010.neurosciences.asso.fr/abstracts/R4/A114_50.html
Indexed document: No
Keywords: Huntington's disease / Basal ganglia dysfunction / Implicit contextual learning
DocumentFacilitation of object recognition: An effect of contextual cueing2009

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-2006-073
Location: Arquivo PCA - Pasta 22/2006
Title:
073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Duration: 2008-01 - 2011-09
Researcher(s):
Marieke van Asselen, Albert Postma, António Freire Gonçalves, Inês Almeida, José Rebola
Institution(s): IBILI - Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
5 Articles
Language: eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Learning / Biopsychological problems / Neurodegenerative disorders / Huntington's disease / Parkinson's disease

Reference code: PT/FB/BL-2006-073.10
Location: Arquivo PCA - Pasta 22/2006
Title:
Facilitation of object recognition: An effect of contextual cueing
Publication year: 2009
URL:
http://labcolour.fisica.uminho.pt/cip09/files/abstractscip09/Asselen_Poster.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 mechanisms underlying object based implicit contextual cueing by studying eye movements. A visual search task was used in which participants (n = 16) had to locate a target object (abstract line drawing with an opening) among a number of distractors (closed abstract line drawing). In half of the trials the set of objects presented was repeated (Repeated trials), whereas in the other trials a new set of objects was used (New trials). The location of the objects was randomly defined and the objects in the Repeated and New trials were repeated the same number of times. Eye movements were recorded with an iViewX High-speed Eye-Tracker. Subjects located the target faster in the Repeated trials as compared with New trials (p<0.001), indicating that the sets of objects were memorized and search was facilitated. Shorter fixation durations were found for the repeated trials than for the new trials [t (20) = 3.6, p < 0.01]. Furthermore, the Time from Last Fixation until Button Press (TLFBP) was significantly shorter in the repeated than in the new trials [t (20) = 4.6, p = 0.001]. No effect was found for the Number of Fixations and the Saccade Amplitude. This indicates that object recognition is facilitated when object information is used as contextual cue.
Accessibility: Document does not exist in file
Language:
eng
Author:
Van Asselen, M.
Secondary author(s):
Sampaio, J., Castelo-Branco, M.
Document type:
Online abstract
Number of reproductions:
1
Reference:
Van Asselen, M., Sampaio, J., & Castelo-Branco, M. (2009, July). Facilitation of object recognition: An effect of contextual cueing. Poster presented at the 3th Iberian Conference on Perception, Guimarães, Portugal. Abstract retrieved from http://labcolour.fisica.uminho.pt/cip09/files/abstractscip09/Asselen_Poster.pdf
Indexed document: No
Keywords: Implicit contextual cueing / Visual search / Eye movements

Facilitation of object recognition: An effect of contextual cueing

Facilitation of object recognition: An effect of contextual cueing
DocumentImplicit object cueing: A study of oculomotor parameters and peripheral vision 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-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-2006-073
Location: Arquivo PCA - Pasta 22/2006
Title:
073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Duration: 2008-01 - 2011-09
Researcher(s):
Marieke van Asselen, Albert Postma, António Freire Gonçalves, Inês Almeida, José Rebola
Institution(s): IBILI - Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
5 Articles
Language: eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Learning / Biopsychological problems / Neurodegenerative disorders / Huntington's disease / Parkinson's disease

Reference code: PT/FB/BL-2006-073.11
Location: Arquivo PCA - Pasta 22/2006
Title:
Implicit object cueing: A study of oculomotor parameters and peripheral vision
Publication year: 2008
URL:
http://www.abstractsonline.com/Plan/ViewAbstract.aspx?sKey=8859d545-285d-4e9d-85f7-274d1c7fbf37&cKey=c5dbd828-ffef-4756-8e6a-c1ba585bab1b&mKey=%7bAFEA068D-D012-4520-8E42-10E4D1AF7944%7d
Abstract/Results: ABSTRACT:
Implicit context cueing refers to a top-down mechanism in which visual search is facilitated by learned contextual features. To define the underlying mechanism of this phenomenon, previous studies have analyzed the effect of repeated spatial configurations. Although this paradigm has lead to important insights, it can be argued that it has biased our knowledge about implicit context cueing, since spatial context cueing has the unique characteristic that the location of a target is predictable. That is, the target position is fixed in relation to the spatial configuration. When object cues are used, the mechanism that facilitates search is not so obvious. In the current study we aim to investigate the mechanisms underlying object cueing by studying eye movements and we try to define the role of peripheral vision. A visual search task was used in which participants (n = 16) had to locate a target object (abstract line drawing with an opening) among a number of distractors (closed abstract line drawing). In half of the trials the set of objects presented was repeated (Repeated trials), whereas in the other trials a new set of objects was used (New trials). The location of the objects was randomly defined and the objects in the Repeated and New trials were repeated the same number of times. Eye movements were recorded with an iViewX High-speed Eye-Tracker. Subjects located the target faster in the Repeated trials as compared with New trials (p<0.001), indicating that the sets of objects were memorized and search was facilitated. By analyzing the different oculomotor parameters, we found that faster response times are due to a decrease in the number of saccades (p<0.05) and not due to a difference in the saccade amplitude, intersaccadic fixation duration or time between last saccade and button press. The finding that fewer saccades are made is particularly fascinating, since it suggests that fewer objects had to be foveated in order to recognize the target. A possible explanation for this finding is that objects do not need to be foveated for object identification, suggesting an important role for peripheral vision. In order to verify this hypothesis, we performed a second experiment in which participants performed the same search task, but now had to foveate a fixation cross during the entire experiment. Surprisingly, repeated object information facilitated search even when only peripheral vision was used (p < 0.05), thus confirming an important role for peripheral vision in implicit context cueing. When the results of these two studies are taken together, we can conclude that implicit object cueing facilitates object recognition in peripheral vision leading to a more effective search.
Accessibility: Document does not exist in file
Language:
eng
Author:
Van Asselen, M.
Secondary author(s):
Castelo-Branco, M., Sampaio, J.
Document type:
Online abstract
Number of reproductions:
1
Reference:
Van Asselen, M.,Castelo-Branco, M., & Sampaio, J. (2008). Implicit object cueing: A study of oculomotor parameters and peripheral vision. Program No. 483.3/RR64. 2008 Neuroscience Meeting Planner. Washington, DC: Society for Neuroscience. Online.
Indexed document: No
Keywords: Implicit contextual cueing / Visual search / Eye movements / Peripheral vision
DocumentAttentional guidance by object context cueing: A study of eye movements2008

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-2006-073
Location: Arquivo PCA - Pasta 22/2006
Title:
073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Duration: 2008-01 - 2011-09
Researcher(s):
Marieke van Asselen, Albert Postma, António Freire Gonçalves, Inês Almeida, José Rebola
Institution(s): IBILI - Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
5 Articles
Language: eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Learning / Biopsychological problems / Neurodegenerative disorders / Huntington's disease / Parkinson's disease

Reference code: PT/FB/BL-2006-073.12
Location: Arquivo PCA - Pasta 22/2006
Title:
Attentional guidance by object context cueing: A study of eye movements
Publication year: 2008
URL:
http://www.perceptionweb.com/abstract.cgi?id=v080188
Abstract/Results: ABSTRACT:
Implicit context cueing refers to the facilitation of a visual search by learned contextual features of our environment. In the current study the mechanism underlying this phenomenon is investigated. In contrast to previous studies in which spatial information was used as a contextual cue, we used object identity. The location of the target was not predictable. Eye movement data was recorded for sixteen healthy adults in order to define different oculomotor parameters. Results indicate that the faster response times in trials with a repeated context are due to a decrease in the number of saccades and not due to shorter fixations, saccades or motor responses. In a second study, the role of peripheral vision in implicit context cueing was studied. The same experiment was repeated, but now subjects had to fixate a cross. Unexpectedly, repeated object information facilitated search when only peripheral vision was used. Together, this suggests that fewer saccades are necessary to locate the target, possibly because the target is recognized faster in peripheral vision.
Accessibility: Document does not exist in file
Language:
eng
Author:
Van Asselen, M.
Secondary author(s):
Sampaio, J., Castelo-Branco, M.
Document type:
Abstract
Number of reproductions:
1
Reference:
Van Asselen, M., Sampaio, J., & Castelo-Branco, M. (2008). Attentional guidance by object context cueing: A study of eye movements. Perception, 37 ECVP Abstract Supplement, 53-54. https://doi.org/10.1068/v080188
Indexed document: Yes
Keywords: Implicit contextual cueing / Visual search / Object identity / Eye movements / Peripheral vision

Attentional guidance by object context cueing: A study of eye movements

Attentional guidance by object context cueing: A study of eye movements
DocumentThe role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging2012

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-2006-073
Location: Arquivo PCA - Pasta 22/2006
Title:
073 - The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Duration: 2008-01 - 2011-09
Researcher(s):
Marieke van Asselen, Albert Postma, António Freire Gonçalves, Inês Almeida, José Rebola
Institution(s): IBILI - Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
5 Articles
Language: eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Learning / Biopsychological problems / Neurodegenerative disorders / Huntington's disease / Parkinson's disease

Reference code: PT/FB/BL-2006-073.13
Location: Arquivo PCA - Pasta 22/2006
Title:
The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging
Publication year: 2012
URL:
http://www.bial.com/imagem/Bial%20Sonhos%20Miolo_Total%20Bolsas.pdf
Abstract/Results: ABSTRACT:
OBJECTIVES:
Investigate the mechanism underlying implicit contextual learning and study its neural correlates.
METHODS:
A series of contextual cueing tasks were developed to study different aspects of implicit contextual learning using eye movement recording. Moreover, to define the neural correlates of implicit contextual cueing, several patient and neuroimaging studies were performed.
RESULTS:
We have shown that a snapshot of local contextual information is made using peripheral vision and that different types of contextual information can be used to facilitate visual search through a specific underlying mechanisms. Furthermore, we have demonstrated the importance of the basal ganglia in implicit learning. Finally, distinct neural correlates were found when different types of contextual information were used.
CONCLUSIONS:
Implicit contextual cueing is a complex learning mechanism in which different types of contextual information can be used to facilitate visual search through distinct attention mechanisms. Furthermore, neural correlates of implicit contextual cueing include the basal ganglia, MTL and fronto-parietal networks.
DISCUSSION:
Future research projects should be aimed at further defining the specific role of the basal ganglia and MTL.
Accessibility: Document does not exist in file
Language:
eng
Author:
Van Asselen, M.
Secondary author(s):
Postma, A., Gonçalves, A., Almeida, I., Rebola, J.
Document type:
Conference abstract
Number of reproductions:
1
Reference:
Van Asselen, M., Postma, A., Gonçalves, A., Almeida, I., & Rebola, J. (2012). The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging. In Aquém e além do cérebro. Behind and beyond the brain. Proceedings of the 9th Symposium of Fundação Bial (p. 5/63). Porto: Fundação Bial.
Indexed document: No
Keywords: Implicit contextual learning / Neural correlates / Eye movements

The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging

The role of the cortico-basal ganglia circuit in learning and memory: From patient studies to functional neuroimaging