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DocumentCognitive impairment in pain through amygdala-driven prefrontal cortical deactivation2010

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

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

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

Reference code: PT/FB/BL-2004-084
Location: Arquivo PCA - Pastas 19 a 20/2004
Title:
084 - A consciência da dor: Alterações induzidas por dor crónica nos mecanismos neurobiológicos de aprendizagem, atenção e recompensa
Duration: 2005-01 - 2008-11
Researcher(s):
Vasco Miguel Clara Lopes Galhardo, Deolinda Maria Valente Alves de Lima Teixeira, Miguel Santos Pais-Vieira, Clara Maria Pires Costa Bastos Monteiro
Institution(s): IBMC - Instituto de Biologia Molecular e Celular, Porto (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
Language: eng / por
Related objects:
PT/FB/BL-2008-126
Author: Galhardo, V.
Secondary author(s):
Lima, D., Pais-Vieira, M., Monteiro, C.
Number of reproductions:
1
Keywords:
Psychophysiology / Pain / Cognitive processes / Decision-making / Memory / Attention / Learning / Brain structure and function / Assessment tools

Reference code: PT/FB/BL-2004-084.10
Location: Arquivo PCA - Pasta 19/2004
Title:
Cognitive impairment in pain through amygdala-driven prefrontal cortical deactivation
Publication year: 2010
URL:
http://www.ncbi.nlm.nih.gov/pubmed/20392966
Abstract/Results: ABSTRACT;
Cognitive deficits such as impaired decision-making can be a consequence of persistent pain. Normal functions of the intact amygdala and prefrontal cortex are required for emotion-based decision-making that relies on the ability to assess risk, attribute value and identify advantageous strategies. We tested the hypothesis that pain-related cognitive deficits result from amygdala-driven impairment of medial prefrontal cortical (mPFC) function. To do this, we used electrophysiological single-unit recordings in vivo, patch-clamp in brain slices, and various behavioral assays to show that increased neuronal activity in the amygdala in an animal model of arthritis pain was accompanied by decreased mPFC activation and impaired decision-making. Further, pharmacologic inhibition (with a CRF1 receptor antagonist) of pain-related hyperactivity in the basolateral amygdala (BLA), but not central amygdala (CeA), reversed deactivation of mPFC pyramidal cells and improved decision-making deficits. Pain-related cortical deactivation resulted from a shift of balance between inhibitory and excitatory synaptic transmission. Direct excitatory transmission to mPFC pyramidal cells did not change in the pain model whereas polysynaptic inhibitory transmission increased. GABAergic transmission was reduced by non-NMDA receptor antagonists, suggesting synaptic inhibition was glutamate-driven. The results are consistent with a model of BLA-driven feed-forward inhibition of mPFC neurons. In contrast to the differential effects of BLA versus CeA hyperactivity on cortical-cognitive functions, both amygdala nuclei modulate emotional-affective pain behavior. Thus this study shows that the amygdala contributes not only to emotional-affective but also cognitive effects of pain. The novel amygdalo-cortical pain mechanism has important implications for our understanding of amygdala functions and amygdalo-cortical interactions.
Accessibility: Document does not exist in file
Language:
eng
Related objects:
PT/FB/BL-2008-126.11
Author: Ji, G.
Secondary author(s):
Sun, H., Fu, Y., Li, Z., Galhardo, V., Neugebauer, V.
Document type:
Article
Number of reproductions:
1
Reference:
Ji, G., Sun, H., Fu, Y., Li, Z., Galhardo, V., & Neugebauer, V. (2010). Cognitive impairment in pain through amygdala-driven prefrontal cortical deactivation. Journal of Neuroscience, 30(15), 5451-5464. doi: 10.1523/JNEUROSCI.0225-10.2010
2-year Impact Factor: 7.271|2010
Times cited: 261|2022-07-12
Indexed document: Yes
Quartile: Q1
Keywords: Amygdala / Prefrontal cortex / Pain / Anxiety / Decision-making / Central sensitization / Synaptic plasticity

Cognitive impairment in pain through amygdala-driven prefrontal cortical deactivation

Cognitive impairment in pain through amygdala-driven prefrontal cortical deactivation

DocumentCognitive impairment in pain through amygdala-driven prefrontal cortical deactivation2010

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-2008
Location: Arquivo PCA - Pastas 1 a
Title:
2008 Grants
Start date: 2009-01

Reference code: PT/FB/BL-2008-126
Location: Arquivo PCA - Pastas 16 e 17/2008
Title:
126 - A Experiência da Dor: alterações funcionais induzidas por Dor Crónica nos circuitos neuronais de recompensa e aversão
Duration: 2009-03 - 2013-10
Researcher(s):
Vasco Miguel Clara Lopes Galhardo, Deolinda Maria Valente Alves de Lima Teixeira, Clara Maria Pires Costa Bastos Monteiro, Hélder Cardoso Cruz, Maria Leonor Godinho, Daniela Seixas, Sónia Margarida Dourado
Institution(s): IBMC – Instituto de Biologia Molecular e Celular, Porto (Portugal)
Contents: Contents:
Bursary agreement
Application form
Correspondence
Financial report and expenditure documents
Progress report
Articles
Unpublished documents
Language: por / eng
Related objects:
PT/FB/BL-2004-84
Author: Galhardo, V.
Secondary author(s):
Lima, D., Monteiro, C., Cardoso-Cruz, H., Godinho, M., Seixas, D., Dourado, S.
Number of reproductions:
1
Keywords:
Psychophysiology / Pain / Cognitive processes / Brain structure and function

Reference code: PT/FB/BL-2008-126.11
Location: Arquivo PCA - Pastas 16 a 17/2008
Title:
Cognitive impairment in pain through amygdala-driven prefrontal cortical deactivation
Publication year: 2010
URL:
http://www.ncbi.nlm.nih.gov/pubmed/20392966
Abstract/Results: ABSTRACT:
Cognitive deficits such as impaired decision-making can be a consequence of persistent pain. Normal functions of the intact amygdala and prefrontal cortex are required for emotion-based decision-making that relies on the ability to assess risk, attribute value, and identify advantageous strategies. We tested the hypothesis that pain-related cognitive deficits result from amygdala-driven impairment of medial prefrontal cortical (mPFC) function. To do this, we used electrophysiological single-unit recordings in vivo, patch clamp in brain slices, and various behavioral assays to show that increased neuronal activity in the amygdala in an animal model of arthritis pain was accompanied by decreased mPFC activation and impaired decision-making. Furthermore, pharmacologic inhibition (with a corticotropin-releasing factor 1 receptor antagonist) of pain-related hyperactivity in the basolateral amygdala (BLA), but not central amygdala (CeA), reversed deactivation of mPFC pyramidal cells and improved decision-making deficits. Pain-related cortical deactivation resulted from a shift of balance between inhibitory and excitatory synaptic transmission. Direct excitatory transmission to mPFC pyramidal cells did not change in the pain model, whereas polysynaptic inhibitory transmission increased. GABAergic transmission was reduced by non-NMDA receptor antagonists, suggesting that synaptic inhibition was glutamate driven. The results are consistent with a model of BLA-driven feedforward inhibition of mPFC neurons. In contrast to the differential effects of BLA versus CeA hyperactivity on cortical-cognitive functions, both amygdala nuclei modulate emotional-affective pain behavior. Thus, this study shows that the amygdala contributes not only to emotional-affective but also cognitive effects of pain. The novel amygdalo-cortical pain mechanism has important implications for our understanding of amygdala functions and amygdalo-cortical interactions.
Accessibility: Document does not exist in file
Language:
eng
Related objects:
PT/FB/BL-2004-84.10
Author: Ji, G.
Secondary author(s):
Sun, H., Fu, Y., Li, Z., Pais-Vieira, M., Galhardo, V., Neugebauer, V.
Document type:
Article-d
Number of reproductions:
1
Reference:
Ji, G. C., Sun, H., Fu, Y., Li, Z., Pais-Vieira, M., Galhardo, V., & Neugebauer, V. (2010). Cognitive Impairment in Pain through Amygdala-Driven Prefrontal Cortical Deactivation. Journal of Neuroscience, 30(15), 5451-5464. doi: 10.1523/jneurosci.0225-10.2010
2-year Impact Factor: 7.271|2010
Times cited: 259|2022-05-20
Indexed document: Yes
Quartile: Q1
Keywords: Amygdala / Prefrontal cortex / Pain / Anxiety / Decision-making / Central sensitization / Synaptic plasticity

Novo ficheiro

Novo ficheiro

DocumentFinal report - Neurophysiological mechanisms of aging: novel view of old concepts2016

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-2012-057
Location: Arquivo PCA - Pasta 21/2012
Title:
057 - Neurophysiological mechanisms of aging: novel view of old concepts
Duration: 2014-03 - 2017-01
Researcher(s):
Maria José de Oliveira Diógenes Nogueira, Alexandre de Mendoça, Antonina Pereira, Bruno Teixeira da Silva, Raquel Dias
Institution(s): Instituto de Medicina Molecular, Lisboa (Portugal)
Contents: Contents:
Application form
Correspondence
Progress reports
Final report
2 submitted papers
1 poster
1 Article
Language: eng
Author:
Diógenes, M. J.
Secondary author(s):
Mendonça, A., Pereira, A., Silva, B., Lopes, L., Dias, R.
Number of reproductions:
1
Keywords:
Psychophysiology / Brain structure and function / Cognitive processes / Memory / Biopsychological problems / Neurodegenerative disorders

Reference code: PT/FB/BL-2012-057.01
Location: Arquivo PCA - Pasta 21/2012
Title:
Final report - Neurophysiological mechanisms of aging: novel view of old concepts
Publication year: 2016
URL:
https://www.bial.com/imagem/Bolsa%205712.pdf
Abstract/Results: ABSTRACT:
Age-dependent memory deterioration has been well documented and yet an increase in rat hippocampal LTP upon aging has been reported. This poses the question of whether the enhanced LTP is a cause or an attempt to compensate the memory deficits described in aged rats.
Hippocampal slices from young, adult and aged Wistar rats were pre-incubated, with an NMDA receptor (NMDAR) antagonist, memantine (1 µM, 4hours), and hippocampal LTP was evaluated. The results show that memantine significantly decreases the larger LTP magnitude recorded in hippocampal slices from aged rats without compromising LTP recorded in slices from young and adult animals.
To unveil the impact of in vivo administration of memantine, different doses (1,5 and 10 mg/kg/day) or saline vehicle solution were intraperitoneally administered, for 15-20 days, to both young and aged animals. Memantine did not significantly affect neither the place learning of young animals, evaluated by Morris Water Maze, nor LTP recorded from hippocampal slices from the same group of animals. However, memantine (5 and 10 mg/kg/day) significantly decreased the large LTP recorded in hippocampal slices from aged animals. Moreover, aged animals treated with memantine (10 mg/Kg/day) showed a significantly compromised place learning when compared to aged control animals.
Overall, these results suggest that the larger LTP observed in aged animals is a compensatory phenomenon, rather than pathological. The finding that age-dependent blockade of LTP by a NMDAR antagonist leads to learning deficits, implies that the increased LTP observed upon aging may be playing an important role in the learning process.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Diógenes, M. J.
Document type:
Final report
Number of reproductions:
1
Indexed document:
No
Keywords: Synaptic plasticity / Aging / Hippocampus / Memory / NMDA receptors

File296 - Synaptic competition and cooperation in reward learning: The role of hippocampal and prefrontal inputs to the nucleus accumbens2017-092021-11

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-2016
Location: BF-GMS
Title:
2016 Grants
Start date: 2017-01

Reference code: PT/FB/BL-2016-296
Location: BF-GMS
Title:
296 - Synaptic competition and cooperation in reward learning: The role of hippocampal and prefrontal inputs to the nucleus accumbens
Duration: 2017-09 - 2021-11
Researcher(s):
Stephen Martin, Rosalina Fonseca
Institution(s): Division of Neuroscience, School of Medicine, University of Dundee (UK); Centro de Estudos de Doenças Crónicas, NOVA Medical School, Faculdade de Ciências Médicas – Universidade NOVA de Lisboa (Portugal)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Article
Language: eng
Author:
Martin, S. J.
Secondary author(s):
Fonseca, R.
Number of reproductions:
1
Keywords:
Nucleus accumbens / Hippocampus / Prefrontal cortex / Synaptic plasticity / Psychophysiology

DocumentFinal report - Synaptic competition and cooperation in reward learning: The role of hippocampal and prefrontal inputs to the nucleus accumbens2021

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-2016
Location: BF-GMS
Title:
2016 Grants
Start date: 2017-01

Reference code: PT/FB/BL-2016-296
Location: BF-GMS
Title:
296 - Synaptic competition and cooperation in reward learning: The role of hippocampal and prefrontal inputs to the nucleus accumbens
Duration: 2017-09 - 2021-11
Researcher(s):
Stephen Martin, Rosalina Fonseca
Institution(s): Division of Neuroscience, School of Medicine, University of Dundee (UK); Centro de Estudos de Doenças Crónicas, NOVA Medical School, Faculdade de Ciências Médicas – Universidade NOVA de Lisboa (Portugal)
Contents: Contents:
Application form
Correspondence
Research Funding Agreement
Progress report
Final report
Article
Language: eng
Author:
Martin, S. J.
Secondary author(s):
Fonseca, R.
Number of reproductions:
1
Keywords:
Nucleus accumbens / Hippocampus / Prefrontal cortex / Synaptic plasticity / Psychophysiology

Reference code: PT/FB/BL-2016-296.01
Location: BF-GMS
Title:
Final report - Synaptic competition and cooperation in reward learning: The role of hippocampal and prefrontal inputs to the nucleus accumbens
Publication year: 2021
Abstract/Results:
ABSTRACT:
BACKGROUND
Synaptic changes underlie memory formation in many brain areas; ventral hippocampal (vHPC) and prefrontal cortex (PFC) projections to the nucleus accumbens (NAc) are a potential site of storage for associations between environmental stimuli and reward.
AIMS
Our goals were to identify learning-related changes in synaptic strength in inputs to the NAc during associative learning, and to characterise the interactions between PFC and vHPC projections.
METHOD
Rats were implanted with electrodes to record synaptic potentials in the vHPC-NAc pathway, and spontaneous oscillatory activity. They underwent place-preference training in which a distinctive context was associated with morphine injection. In parallel experiments, fluorescent viral constructs were injected into vHPC or PFC. Rats were later sacrificed, and their brains were sectioned and imaged to determine the distribution of projections from vHPC and PFC to the NAc.
RESULTS
Training did not cause an overall change in synaptic strength, but morphine caused an acute increase in evoked responses, and a progressive increase in gamma-frequency activity. The tracing experiments revealed that vHPC projects almost exclusively to the NAc shell, whereas the PFC projects predominantly to the core.
CONCLUSIONS
Our results do not support the idea that changes in synaptic strength in the vHPC-NAc projection underlie context-reward associations. However, the morphine-induced increase in gamma-frequency activity may be related to the ‘incentive sensitisation’ that occurs with repeated opioid administration. Fluorescent tracing indicates that there is limited overlap between vHPC and PFC inputs to the NAc; direct interactions between these inputs are thus unlikely to mediate the formation of context-reward associations.
Accessibility: Document exists in file
Language:
eng
Author:
Martin, S. J.
Secondary author(s):
Fonseca, R.
Document type:
Final report
Number of reproductions:
1
Reference:
Martin, S. J., & Fonseca, R. (2021). Final report - Synaptic competition and cooperation in reward learning: The role of hippocampal and prefrontal inputs to the nucleus accumbens.
Indexed document: No
Keywords: Hippocampus / Nucleus accumbens / Prefrontal cortex / Reward / Synaptic plasticity

Final report - Synaptic competition and cooperation in reward learning: The role of hippocampal and prefrontal inputs to the nucleus accumbens

Final report - Synaptic competition and cooperation in reward learning: The role of hippocampal and prefrontal inputs to the nucleus accumbens