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BIAL Foundation
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DocumentHallucinations, negative symptoms, and response bias in a verbal recognition task in schizophrenia2005

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-2000
Location: Arquivo PCA - Pastas 1 a 13/2000
Title:
2000 Grants
Start date: 2001-01 - 2014-02
Dimension/support:
13 caixas de arquivo

Reference code: PT/FB/BL-2000-020
Location: Arquivo PCA - Pasta 5/2000
Title:
020 - Neuropsychological bases of reality monitoring deficits in schizophrenic patients with hallucinations
Duration: 2000-12 - 2002-07
Researcher(s):
Gildas Brébion, Anthony David
Institution(s): Institute of Psychiatry, King’s College, London (UK)
Contents: Contents:
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
4 Articles
Language: eng
Author:
Brébion, G.
Secondary author(s):
David, A. S.
Number of reproductions:
1
Keywords:
Psychophysiology / Biopsychological problems / Mental health / Psychotic disorders / Altered states of consciousness / Hallucinations / Cognitive processes

Reference code: PT/FB/BL-2000-020.05
Location: Arquivo PCA - Pasta 5/2000
Title:
Hallucinations, negative symptoms, and response bias in a verbal recognition task in schizophrenia
Publication year: 2005
URL:
http://www.ncbi.nlm.nih.gov/pubmed/16187879
Contents: http://apps.webofknowledge.com/full_record.do?product=UA&search_mode=GeneralSearch&qid=63&SID=Z1T1li1SW9lnlKPlMpq&page=1&doc=1
Abstract/Results: ABSTRACT:
Several studies have reported an association between hallucinations and tendency to make false alarms in acoustic signal detection tasks. Previous work on patients with schizophrenia has suggested that false recognitions and other types of memory error were positively associated with hallucinations and inversely associated with certain negative symptoms of withdrawal. In this study, 40 patients with schizophrenia were administered a word recognition task. Mixed lists of high- and low-frequency words were presented, then the target words had to be recognized among distractors in immediate and delayed recognition conditions. Hallucination scores were correlated with an increased bias toward false recognitions of nonpresented words. Affective flattening tended to be correlated with a reduced bias toward false recognitions. Anhedonia was significantly correlated with a reduced response bias. Hallucinations and anhedonia therefore presented an opposite association with the response bias. The influence of word frequency and delay on this association is discussed.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Brébion, G.
Secondary author(s):
David, A. S., Jones, H., Pilowsky, L. S.
Document type:
Article
Number of reproductions:
1
Reference:
Brébion, G., David, A. S., Jones, H., & Pilowsky, L. S. (2005). Hallucinations, negative symptoms, and response bias in a verbal recognition task in schizophrenia. Neuropsychology, 19(5), 612-617. https://doi.org/10.1037/0894-4105.19.5.612
2-year Impact Factor: 2.490|2005
Times cited: 31|2024-02-05
Indexed document: Yes
Quartile: Q2
Keywords: Memory / False alarm / Word frequency / Anhedonia

Hallucinations, negative symptoms, and response bias in a verbal recognition task in schizophrenia

Hallucinations, negative symptoms, and response bias in a verbal recognition task in schizophrenia

DocumentVisual memory errors in schizophrenic patients with auditory and visual hallucinations2007

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-2000
Location: Arquivo PCA - Pastas 1 a 13/2000
Title:
2000 Grants
Start date: 2001-01 - 2014-02
Dimension/support:
13 caixas de arquivo

Reference code: PT/FB/BL-2000-020
Location: Arquivo PCA - Pasta 5/2000
Title:
020 - Neuropsychological bases of reality monitoring deficits in schizophrenic patients with hallucinations
Duration: 2000-12 - 2002-07
Researcher(s):
Gildas Brébion, Anthony David
Institution(s): Institute of Psychiatry, King’s College, London (UK)
Contents: Contents:
Application form
Correspondence
Financial report and expenditure documents
Progress reports
Final report
4 Articles
Language: eng
Author:
Brébion, G.
Secondary author(s):
David, A. S.
Number of reproductions:
1
Keywords:
Psychophysiology / Biopsychological problems / Mental health / Psychotic disorders / Altered states of consciousness / Hallucinations / Cognitive processes

Reference code: PT/FB/BL-2000-020.08
Location: Arquivo PCA - Pasta 5/2000
Title:
Visual memory errors in schizophrenic patients with auditory and visual hallucinations
Publication year: 2007
URL:
http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=1296276&fulltextType=RA&fileId=S135561770707107X
Contents: http://apps.webofknowledge.com/full_record.do?product=UA&search_mode=GeneralSearch&qid=69&SID=Z1T1li1SW9lnlKPlMpq&page=1&doc=1
Abstract/Results: ABSTRACT:
Hallucinations have been found associated with false detection or false recognition of acoustic/verbal material in several studies. We investigated whether they were also linked with false recognition of pictures. Furthermore, an association between hallucinations and deficits in remembering temporal, context was observed in previous research on schizophrenia. We investigated whether the association extends to deficits in remembering spatial context. Forty-one patients with schizophrenia underwent a visual memory task. Sixteen mixed black-and-white and colored pictures were presented at different locations. Participants had to recognize the pictures among distractors, then to recall the spatial context of the presentation of the target pictures. Results showed that auditory hallucinations were associated with poor recognition of the colored pictures. When recognition efficiency and negative symptoms were statistically controlled, auditory hallucinations were also associated with increased response bias toward false recognition of nontarget pictures, and with errors in remembering the spatial context. No associations with visual hallucinations emerged. Anhedonia was associated with response bias, in the direction opposite to that of hallucinations. In conclusion, the association between hallucinations and response bias extends across modalities to picture recognition. The association between hallucinations and temporal context impairment extends to spatial context.
Accessibility: Document exists in file
Copyright/Reproduction:
By permission
Language:
eng
Author:
Brébion, G.
Secondary author(s):
David, A. S., Ohlsen, R., Jones, H., Pilowsky, L. S.
Document type:
Article
Number of reproductions:
1
Reference:
Brébion, G., David, A. S., Ohlsen, R., Jones, H., & Pilowsky, L. S. (2007). Visual memory errors in schizophrenic patients with auditory and visual hallucinations. Journal of the International Neuropsychological Society, 13(5), 832-838. https://doi.org/10.1017/S135561770707107X
2-year Impact Factor: 2.402|2007
Times cited: 21|2024-02-05
Indexed document: Yes
Quartile: Q2
Keywords: Learning / Recognition / False alarm / Spatial context / Symptoms / Anhedonia

Visual memory errors in schizophrenic patients with auditory and visual hallucinations

Visual memory errors in schizophrenic patients with auditory and visual hallucinations