期刊
PERSONALITY AND INDIVIDUAL DIFFERENCES
卷 35, 期 8, 页码 2007-2021出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0191-8869(03)00052-7
关键词
emotion; startle reflex; psychopathy; Pcl-R; affect; eyeblink; antisocial; community sample
Recent research on psychopathy has begun to explore two dimensions that possibly underlie psychopathy-one related more to emotional and interpersonal traits, and another related more to antisocial behaviors. A community sample of adults was assessed for psychopathy using Hare's (1991) Psychopathy Checklist-Revised (PCL-R). Eyeblinks elicited by startle probes were recorded while participants viewed pictures of emotionally-laden stimuli. Consistent with previous research, participants scoring high on PCL-R Factor 2 (antisocial) showed no affective modification of startle if they also scored high on PCL-R Factor I (emotional detachment). When the factor scores were analyzed together as continuous variables in a regression analysis, however, affective modification of startle was negatively related to Factor I but positively related to Factor 2. The results thus provide further support for a two-factor model of psychopathy. (C) 2003 Elsevier Ltd. All rights reserved.
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