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DocumentThe linear impact of concurrent working memory load on dynamics of Necker cube perceptual reversals2014

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-2012
Location: SEC PCA
Title:
2012 Grants
Start date: 2013-02

Reference code: PT/FB/BL-2012-132
Location: Arquivo PCA - Pasta 11/2012
Title:
132 - A direct test of the binding by synchrony hypothesis in humans: the neural correlates of coherent object perception
Duration: 2013-11 - 2016-01
Researcher(s):
Miguel Castelo-Branco, Maria Ribeiro, João Duarte, Gabriel Costa
Institution(s): IBILI, Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Application form
Correspondence
Progress reports
Final report
Article
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Ribeiro, M., Duarte, J., Costa, G.
Number of reproductions:
1
Keywords:
Psychophysiology / Cognitive processes / Perception / Brain structure and function

Reference code: PT/FB/BL-2012-132.02
Location: Arquivo PCA - Pasta 11/2012
Title:
The linear impact of concurrent working memory load on dynamics of Necker cube perceptual reversals
Publication year: 2014
URL:
http://www.journalofvision.org/content/14/1/13.full.pdf+html
Abstract/Results: ABSTRACT:
Ambiguous figures are visual stimuli that may be perceived in multistable interpretations. The role of attention in modulating perceptual reversals of ambiguous stimuli is not clear. We tested whether perceptual reversals depend on working memory by manipulating its load while the participants were viewing the Necker cube. Increasing working memory load delayed the latency and decreased the frequency of reversals. These effects followed a linear function of load. The findings imply shared resources of the mechanisms responsible for perceptual reversals and working memory maintenance. However, reversals were not completely abolished even with the hard seven-consonants load, suggesting that bottom-up processes continue to operate in the bistable perception dynamics when top-down mechanisms are attenuated.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Intaite, M.
Secondary author(s):
Koivisto, M., Castelo-Branco, M.
Document type:
Article
Number of reproductions:
1
Percentiles:
39.44|0.41
Reference:
Intaite, M., Koivisto, M., Castelo-Branco, M. (2014). The linear impact of concurrent working memory load on dynamics of Necker cube perceptual reversals. Journal of Vision, 14(1), pii: 13. https://doi.org/10.1167/14.1.13
2-year Impact Factor: 2.393|2014
Times cited: 10|2026-02-05
Indexed document: Yes
Quartile: Q2
Keywords: Necker cube / Ambiguos figures / Bottom-up / Top-down / Visual perception / Working memory load

The linear impact of concurrent working memory load on dynamics of Necker cube perceptual reversals

The linear impact of concurrent working memory load on dynamics of Necker cube perceptual reversals
DocumentEvent-related potential responses to perceptual reversals are modulated by working memory load2014

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-2012
Location: SEC PCA
Title:
2012 Grants
Start date: 2013-02

Reference code: PT/FB/BL-2012-132
Location: Arquivo PCA - Pasta 11/2012
Title:
132 - A direct test of the binding by synchrony hypothesis in humans: the neural correlates of coherent object perception
Duration: 2013-11 - 2016-01
Researcher(s):
Miguel Castelo-Branco, Maria Ribeiro, João Duarte, Gabriel Costa
Institution(s): IBILI, Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Application form
Correspondence
Progress reports
Final report
Article
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Ribeiro, M., Duarte, J., Costa, G.
Number of reproductions:
1
Keywords:
Psychophysiology / Cognitive processes / Perception / Brain structure and function

Reference code: PT/FB/BL-2012-132.03
Location: Arquivo PCA - Pasta 11/2012
Title:
Event-related potential responses to perceptual reversals are modulated by working memory load
Publication year: 2014
URL:
http://www.sciencedirect.com/science/article/pii/S0028393214000682
Abstract/Results: ABSTRACT:
While viewing ambiguous figures, such as the Necker cube, the available perceptual interpretations alternate with one another. The role of higher level mechanisms in such reversals remains unclear. We tested whether perceptual reversals of discontinuously presented Necker cube pairs depend on working memory resources by manipulating cognitive load while recording event-related potentials (ERPs). The ERPs showed early enhancements of negativity, which were obtained in response to the first cube approximately 500 ms before perceived reversals. We found that working memory load influenced reversal-related brain responses in response to the second cube over occipital areas at the 150–300 ms post-stimulus and over central areas at P3 time window (300–500 ms), suggesting that it modulates intermediate visual processes. Interestingly, reversal rates remained unchanged by the working memory load. We propose that perceptual reversals in discontinuous presentation of ambiguous stimuli are governed by an early (well preceding pending reversals) mechanism, while the effects of load on the reversal related ERPs may reflect general top-down influences on visual processing, possibly mediated by the prefrontal cortex.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Intaite, M.
Secondary author(s):
Koivisto, M., Castelo-Branco, M.
Document type:
Article
Number of reproductions:
1
Percentiles:
40.90|0.46
Reference:
Intaité, M., Koivisto, M., & Castelo-Branco, M. (2014). Event-related potential responses to perceptual reversals are modulated by working memory load. Neuropsychologia, 56, 428-438. https://doi.org/10.1016/j.neuropsychologia.2014.02.016
2-year Impact Factor: 3.302|2014
Times cited: 16|2026-02-05
Indexed document: Yes
Quartile: Q1
Keywords: Cognition / Normal volunteers / EEG / ERP / Ambiguous figure / Working memory load

Event-related potential responses to perceptual reversals are modulated by working memory load

Event-related potential responses to perceptual reversals are modulated by working memory load

Corrigendum

Corrigendum
DocumentThe linear impact of concurrent working memory load on dynamics of Necker cube perceptual reversals2014

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-2012
Location: SEC PCA
Title:
2012 Grants
Start date: 2013-02

Reference code: PT/FB/BL-2012-133
Location: Arquivo PCA - Pasta 9/2012
Title:
133 - The role of the core and extended face networks in visual perception and high level social cognition
Duration: 2013-11 - 2016-01
Researcher(s):
Miguel Castelo-Branco, Marco Simões, Carlos Amaral, Gregor Philipiak, José Rebola, João Castelhano
Institution(s): IBILI, Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Application form
Correspondence
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Simões, M., Amaral, C., Philipiak, G., Rebola, J., Castelhano, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Cognitive processes / Perception / Attention / Affective and social behavior / Social cognition / Brain structure and function

Reference code: PT/FB/BL-2012-133.06
Location: Arquivo PCA - Pasta 9/2012
Title:
The linear impact of concurrent working memory load on dynamics of Necker cube perceptual reversals
Publication year: 2014
URL:
http://www.journalofvision.org/content/14/1/13.full.pdf+html
Abstract/Results: ABSTRACT:
Ambiguous figures are visual stimuli that may be perceived in multistable interpretations. The role of attention in modulating perceptual reversals of ambiguous stimuli is not clear. We tested whether perceptual reversals depend on working memory by manipulating its load while the participants were viewing the Necker cube. Increasing working memory load delayed the latency and decreased the frequency of reversals. These effects followed a linear function of load. The findings imply shared resources of the mechanisms responsible for perceptual reversals and working memory maintenance. However, reversals were not completely abolished even with the hard seven-consonants load, suggesting that bottom-up processes continue to operate in the bistable perception dynamics when top-down mechanisms are attenuated.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Intaite, M.
Secondary author(s):
Koivisto, M., Castelo-Branco, M.
Document type:
Article-d
Number of reproductions:
1
Percentiles:
39.31|0.41
Reference:
Intaite, M., Koivisto, M., Castelo-Branco, M. (2014). The linear impact of concurrent working memory load on dynamics of Necker cube perceptual reversals. Journal of Vision, 14(1), pii: 13. https://doi.org/10.1167/14.1.13
2-year Impact Factor: 2.393|2014
Times cited: 10|2026-02-06
Indexed document: Yes
Quartile: Q2
Keywords: Necker cube / Ambiguos figures / Bottom-up / Top-down / Visual perception / Working memory load

The linear impact of concurrent working memory load on dynamics of Necker cube perceptual reversals

The linear impact of concurrent working memory load on dynamics of Necker cube perceptual reversals
DocumentWorking memory load influences perceptual ambiguity by competing for fronto-parietal attentional resources2016

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-2012
Location: SEC PCA
Title:
2012 Grants
Start date: 2013-02

Reference code: PT/FB/BL-2012-133
Location: Arquivo PCA - Pasta 9/2012
Title:
133 - The role of the core and extended face networks in visual perception and high level social cognition
Duration: 2013-11 - 2016-01
Researcher(s):
Miguel Castelo-Branco, Marco Simões, Carlos Amaral, Gregor Philipiak, José Rebola, João Castelhano
Institution(s): IBILI, Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Application form
Correspondence
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Simões, M., Amaral, C., Philipiak, G., Rebola, J., Castelhano, J.
Number of reproductions:
1
Keywords:
Psychophysiology / Cognitive processes / Perception / Attention / Affective and social behavior / Social cognition / Brain structure and function

Reference code: PT/FB/BL-2012-133.13
Location: Arquivo PCA - Pasta 9/2012
Title:
Working memory load influences perceptual ambiguity by competing for fronto-parietal attentional resources
Publication year: 2016
URL:
https://www.ncbi.nlm.nih.gov/pubmed/27590722
Abstract/Results: ABSTRACT:
A visual stimulus is defined as ambiguous when observers perceive it as having at least two distinct and spontaneously alternating interpretations. Neuroimaging studies suggest an involvement of a right fronto-parietal network regulating the balance between stable percepts and the triggering of alternative interpretations. As spontaneous perceptual reversals may occur even in the absence of attention to these stimuli, we investigated neural activity patterns in response to perceptual changes of ambiguous Necker cube under different amounts of working memory load using a dual-task design. We hypothesized that the same regions that process working memory load are involved in perceptual switching and confirmed the prediction that perceptual reversals led to fMRI responses that linearly depended on load. Accordingly, posterior Superior Parietal Lobule, anterior Prefrontal and Dorsolateral Prefrontal cortices exhibited differential BOLD signal changes in response to perceptual reversals under working memory load. Our results also suggest that the posterior Superior Parietal Lobule may be directly involved in the emergence of perceptual reversals, given that it specifically reflects both perceptual versus real changes and load levels. The anterior Prefrontal and Dorsolateral Prefrontal cortices, showing a significant interaction between reversal levels and load, might subserve a modulatory role in such reversals, in a mirror symmetric way: in the former activation is suppressed by the highest loads, and in the latter deactivation is reduced by highest loads, suggesting a more direct role of the aPFC in reversal generation.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Related objects:
BL-2012-132.15; BL-2014-373.02
Author: Intaite, M.
Secondary author(s):
Duarte, J., Castelo-Branco, M.
Document type:
Article
Number of reproductions:
1
Percentiles:
14.52|0.17
Reference:
Intaite, M., Duarte, J., & Castelo-Branco, M. (2016). Working memory load influences perceptual ambiguity by competing for fronto-parietal attentional resources. Brain Research, 1650, 142-151. https://doi.org/10.1016/j.brainres.2016.08.044
2-year Impact Factor: 2.746|2016
Times cited: 7|2026-02-06
Indexed document: Yes
Quartile: Q3
Keywords: Anterior prefrontal cortex / Dorsolateral prefrontal cortex / Functional magnetic resonance imaging (fMRI) / Necker cube / Posterior superior parietal lobule / Working memory load
DocumentWorking memory load influences perceptual ambiguity by competing for fronto-parietal attentional resources2016

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-2012
Location: SEC PCA
Title:
2012 Grants
Start date: 2013-02

Reference code: PT/FB/BL-2012-132
Location: Arquivo PCA - Pasta 11/2012
Title:
132 - A direct test of the binding by synchrony hypothesis in humans: the neural correlates of coherent object perception
Duration: 2013-11 - 2016-01
Researcher(s):
Miguel Castelo-Branco, Maria Ribeiro, João Duarte, Gabriel Costa
Institution(s): IBILI, Faculdade de Medicina, Universidade de Coimbra (Portugal)
Contents: Contents:
Application form
Correspondence
Progress reports
Final report
Article
Language: eng
Author:
Castelo-Branco, M.
Secondary author(s):
Ribeiro, M., Duarte, J., Costa, G.
Number of reproductions:
1
Keywords:
Psychophysiology / Cognitive processes / Perception / Brain structure and function

Reference code: PT/FB/BL-2012-132.15
Location: Arquivo PCA - Pasta 11/2012
Title:
Working memory load influences perceptual ambiguity by competing for fronto-parietal attentional resources
Publication year: 2016
URL:
https://www.ncbi.nlm.nih.gov/pubmed/27590722
Abstract/Results: ABSTRACT:
A visual stimulus is defined as ambiguous when observers perceive it as having at least two distinct and spontaneously alternating interpretations. Neuroimaging studies suggest an involvement of a right fronto-parietal network regulating the balance between stable percepts and the triggering of alternative interpretations. As spontaneous perceptual reversals may occur even in the absence of attention to these stimuli, we investigated neural activity patterns in response to perceptual changes of ambiguous Necker cube under different amounts of working memory load using a dual-task design. We hypothesized that the same regions that process working memory load are involved in perceptual switching and confirmed the prediction that perceptual reversals led to fMRI responses that linearly depended on load. Accordingly, posterior Superior Parietal Lobule, anterior Prefrontal and Dorsolateral Prefrontal cortices exhibited differential BOLD signal changes in response to perceptual reversals under working memory load. Our results also suggest that the posterior Superior Parietal Lobule may be directly involved in the emergence of perceptual reversals, given that it specifically reflects both perceptual versus real changes and load levels. The anterior Prefrontal and Dorsolateral Prefrontal cortices, showing a significant interaction between reversal levels and load, might subserve a modulatory role in such reversals, in a mirror symmetric way: in the former activation is suppressed by the highest loads, and in the latter deactivation is reduced by highest loads, suggesting a more direct role of the aPFC in reversal generation.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Related objects:
BL-2012-133.13; BL-2014-373.02
Author: Intaite, M.
Secondary author(s):
Duarte, J., Castelo-Branco, M.
Document type:
Article-d
Number of reproductions:
1
Percentiles:
14.52|0.17
Reference:
Intaite, M., Duarte, J., & Castelo-Branco, M. (2016). Working memory load influences perceptual ambiguity by competing for fronto-parietal attentional resources. Brain Research, 1650, 142-151. https://doi.org/10.1016/j.brainres.2016.08.044
2-year Impact Factor: 2.746|2016
Times cited: 7|2026-02-06
Indexed document: Yes
Quartile: Q3
Keywords: Anterior Prefrontal Cortex / Dorsolateral Prefrontal Cortex / Functional magnetic resonance imaging (fMRI) / Necker cube / Posterior superior parietal lobule / Working memory load
DocumentWorking memory load influences perceptual ambiguity by competing for fronto-parietal attentional resources2016

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-2014
Location: BF-GMS
Title:
2014 Grants
Start date: 2015-01

Reference code: PT/FB/BL-2014-373
Location: BF-GMS
Title:
373 - Multimodal Mapping of Visual Motion Perceptual Decision: Dissecting the Role of Different Motion Integration Areas in Visual Surface Reconstruction
Duration: 2016-02 - 2017-10
Researcher(s):
Miguel de Sá e Sousa de Castelo Branco, Gabriel Nascimento Ferreira da Costa, Gilberto Silva, João Valente Duarte, Ricardo Martins
Institution(s): ICNAS - Institute for Nuclear Sciences Applied to Health, Coimbra, Portugal; IBILI - Institute for Biomedical Imaging and Life Sciences, Coimbra (Portugal)
Contents: Contents:
Application form
Correspondence
Progress report
Final report
Articles
Author: Castelo-Branco, M.
Secondary author(s):
Costa, G., Silva, G., Duarte, J., Martins, R.
Number of reproductions:
1
Keywords:
Motion perception / Decision-making / Perceptual Ambiguity / Decision Models / Psychophysiology

Reference code: PT/FB/BL-2014-373.02
Location: BF-GMS
Title:
Working memory load influences perceptual ambiguity by competing for fronto-parietal attentional resources
Publication year: 2016
URL:
https://www.ncbi.nlm.nih.gov/pubmed/27590722
Abstract/Results: ABSTRACT:
A visual stimulus is defined as ambiguous when observers perceive it as having at least two distinct and spontaneously alternating interpretations. Neuroimaging studies suggest an involvement of a right fronto-parietal network regulating the balance between stable percepts and the triggering of alternative interpretations. As spontaneous perceptual reversals may occur even in the absence of attention to these stimuli, we investigated neural activity patterns in response to perceptual changes of ambiguous Necker cube under different amounts of working memory load using a dual-task design. We hypothesized that the same regions that process working memory load are involved in perceptual switching and confirmed the prediction that perceptual reversals led to fMRI responses that linearly depended on load. Accordingly, posterior Superior Parietal Lobule, anterior Prefrontal and Dorsolateral Prefrontal cortices exhibited differential BOLD signal changes in response to perceptual reversals under working memory load. Our results also suggest that the posterior Superior Parietal Lobule may be directly involved in the emergence of perceptual reversals, given that it specifically reflects both perceptual versus real changes and load levels. The anterior Prefrontal and Dorsolateral Prefrontal cortices, showing a significant interaction between reversal levels and load, might subserve a modulatory role in such reversals, in a mirror symmetric way: in the former activation is suppressed by the highest loads, and in the latter deactivation is reduced by highest loads, suggesting a more direct role of the aPFC in reversal generation.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Related objects:
BL-2012-132.15; BL-2012-133.13
Author: Intaite, M.
Secondary author(s):
Duarte, J., Castelo-Branco, M.
Document type:
Article-d
Number of reproductions:
1
Percentiles:
14.52|0.17
Reference:
Intaite, M., Duarte, J., & Castelo-Branco, M. (2016). Working memory load influences perceptual ambiguity by competing for fronto-parietal attentional resources. Brain Research, 1650, 142-151. https://doi.org/10.1016/j.brainres.2016.08.044
2-year Impact Factor: 2.746|2016
Times cited: 7|2026-02-06
Indexed document: Yes
Quartile: Q3
Keywords: Anterior prefrontal cortex / Functional magnetic resonance imaging (fMRI) / Necker cube / Posterior superior parietal lobule / Working memory load