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BIAL Foundation
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DE:"Working memory deficit"
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DocumentImpaired spatial memory performance in a rat model of neuropathic pain is associated with reduced hippocampus-prefrontal cortex connectivity2013

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-2008-126.06
Location: Arquivo PCA - Pastas 16 a 17/2008
Title:
Impaired spatial memory performance in a rat model of neuropathic pain is associated with reduced hippocampus-prefrontal cortex connectivity
Publication year: 2013
URL:
http://www.ncbi.nlm.nih.gov/pubmed/23392675
Abstract/Results: ABSTRACT:
Chronic pain patients commonly complain of working memory deficits, but the mechanisms and brain areas underlying this cognitive impairment remain elusive. The neuronal populations of the mPFC and dorsal CA1 (dCA1) are well known to form an interconnected neural circuit that is crucial for correct performance in spatial memory-dependent tasks. In this study, we investigated whether the functional connectivity between these two areas is affected by the onset of an animal model of peripheral neuropathic pain. To address this issue, we implanted two multichannel arrays of electrodes in the mPFC and dCA1 of rats and recorded the neuronal activity during a food-reinforced spatial working memory task in a reward-based alternate trajectory maze. Recordings were performed for 3 weeks, before and after the establishment of the spared nerve injury model of neuropathy. Our results show that the nerve lesion caused an impairment of working memory performance that is temporally associated with changes in the mPFC populational firing activity patterns when the animals navigated between decision points-when memory retention was most needed. Moreover, the activity of both recorded neuronal populations after the nerve injury increased their phase locking with respect to hippocampal theta rhythm. Finally, our data revealed that chronic pain reduces the overall amount of information flowing in the fronto-hippocampal circuit and induces the emergence of different oscillation patterns that are well correlated with the correct/incorrect performance of the animal on a trial-by-trial basis. The present results demonstrate that functional disturbances in the fronto-hippocampal connectivity are a relevant cause for pain-related working memory deficits.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Cardoso-Cruz, H.
Secondary author(s):
Lima, D., Galhardo, V.
Document type:
Article
Number of reproductions:
1
Reference:
Cardoso-Cruz, H., Lima, D., & Galhardo, V. (2013). Impaired spatial memory performance in a rat model of neuropathic pain is associated with reduced hippocampus-prefrontal cortex connectivity. Journal of Neuroscience, 33(6), 2465-2480. https://doi.org/10.1523/JNEUROSCI.5197-12.2013
2-year Impact Factor: 6.747|2013
Times cited: 105|2025-09-10
Indexed document: Yes
Quartile: Q1
Keywords: Neuropathic pain / Rat / Working memory deficit / Medial-prefrontal cortex (mPFC) / Hippocampus

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