Depressed inpatients, electrodermal reactivity, and suicide - a study about psychophysiology of suicidal behavior

This study deals with the psychophysiological (electrodermal reactivity in a habituation experiment, habituation score) basis of suicidal behaviour. It shows habituation data of 30 suicides with violent method compared to age- and sex-matched control groups with different suicidal expressions, on a...

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Bibliographic Details
Published in:Archives of suicide research 1999-01, Vol.5 (1), p.1-10
Main Authors: Wolfersdorf, Manfred, Straub, Roland, Barg, Thomas, Keller, Ferdinand, Kaschka, Wolfgang P.
Format: Article
Language:English
Subjects:
Behaviourism
biological basis of violent suicidality
Biology
Depression
electrodermal reactivity
habituation score
hyporeactivity
Patients
Psychophysiology
Violence
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Summary:This study deals with the psychophysiological (electrodermal reactivity in a habituation experiment, habituation score) basis of suicidal behaviour. It shows habituation data of 30 suicides with violent method compared to age- and sex-matched control groups with different suicidal expressions, on a large database of a total sample of 504 depressed inpatients. The major finding of a significantly reduced electrodermal reactivity (habituation score) in suicidal action versus suicidal thinking confirms early results but in a comprehensive large sample. Also, it confirms our clinical hypothesis of a biological basis of suicidal action, specially in suicidal acts with violent methods.
ISSN:1381-1118
1543-6136
DOI:10.1080/13811119908258311