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Psychophysiological Correlates of Suicidal Behavior in Depression
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1994
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Mental HealthSuicide AttemptSocial SciencesPsychologyContingent Negative VariationMood SymptomPsychophysiologySuicidal BehaviorPsychiatryDepressionRehabilitationSuicidal Risk ScalePsychiatric DisorderMood SpectrumSuicideBiological PsychiatryMedicinePsychopathologyPost-traumatic Stress Disorder
P300 and contingent negative variation (CNV) were recorded in depressive inpatients with and without history of suicide attempt. The results show a significant reduction of both P300 and CNV in patients who had attempted suicide as compared with patients who had not. Moreover, a significant correlation was found between the suicidal risk scale and CNV amplitude. Psychophysiological and biochemical implications are discussed.