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Suicidal behavior in depressive disorder: an event-related potential study.
Hansenne, Michel; Pitchot, William; Gonzalez Moreno, A. et al.
1996In Biological Psychiatry, 40 (2), p. 116-22
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Keywords :
Adult; Cerebral Cortex/physiopathology; Contingent Negative Variation/physiology; Depressive Disorder/diagnosis/physiopathology/psychology; Event-Related Potentials, P300/physiology; Female; Humans; Male; Middle Aged; Motivation; Psychophysiology; Reaction Time/physiology; Risk Factors; Suicide/prevention & control/psychology; Suicide, Attempted/prevention & control/psychology
Abstract :
[en] P300 and contingent negative variation (CNV) were recorded in depressive inpatients with and without history of suicide attempt. The results showed a significant reduction of P200, P300, and CNV and a significant increase of postimperative negative variation (PINV) in patients who had attempted suicide compared to patients with a negative history. Moreover, P300 amplitude was negatively related with the Suicidal Risk and the Hopelessness but not with the Hamilton scales. These results stress the need to differentiate clinical subgroups of patients to assess the psychophysiology of depression, and indicate that patients who attempted suicide exhibit lower cortical resources and poorer cortical performance than patients without history of suicide attempt.
Research center :
Centre de Neurosciences Cognitives et Comportementales - ULiège
Disciplines :
Psychiatry
Author, co-author :
Hansenne, Michel  ;  Université de Liège - ULiège > Département des sciences cognitives > Psycho. de la personnalité et des différences individuelles
Pitchot, William ;  Centre Hospitalier Universitaire de Liège - CHU > Psychiatrie et psychologie médicale
Gonzalez Moreno, A.
Zaldua, I. U.
Ansseau, Marc ;  Centre Hospitalier Universitaire de Liège - CHU > Psychiatrie et psychologie médicale
Language :
English
Title :
Suicidal behavior in depressive disorder: an event-related potential study.
Publication date :
1996
Journal title :
Biological Psychiatry
ISSN :
0006-3223
Publisher :
Elsevier, New York, United States - New York
Volume :
40
Issue :
2
Pages :
116-22
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 22 October 2009

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