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Psychophysiology of sociopathy: Electrocortical measures

Authors
Journal
Biological Psychology
0301-0511
Publisher
Elsevier
Publication Date
Volume
3
Issue
3
Identifiers
DOI: 10.1016/0301-0511(75)90034-4
Disciplines
  • Medicine

Abstract

Abstract The CNV, visual AEP and resting EEG were analyzed in sociopaths and controls matched for age and sex. Twenty-seven male sociopaths were selected py psychiatric interview and special rating scale, restricted to Shipley-Hartford IQs of 115–145 and separated into young ( x = 20.5 yr) and older ( x = 35.3 yr) age groups. Subjects participated in forewarned reaction-time tasks in which the imperative stimulus was either an innocuous or noxious tone that the subject escaped by pressing a response key. Sociopaths and controls did not differ in reaction time, vertex and occipital AEP amplitude or latency, and power spectral density of the EEG. Contrary to previous findings, there also were no significant differences between sociopaths and controls in overall CNV amplitude or topography. However, while most controls showed increased CNV amplitude in the noxious tone condition as compared to the innocuous tone condition, older sociopaths showed no change, or decreased amplitudes.

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