期刊
PERSONALITY DISORDERS-THEORY RESEARCH AND TREATMENT
卷 1, 期 4, 页码 203-217出版社
EDUCATIONAL PUBLISHING FOUNDATION-AMERICAN PSYCHOLOGICAL ASSOC
DOI: 10.1037/a0018950
关键词
psychopathy; behavioral inhibition; working memory load; anxiety; PCL-R factors
资金
- NIMH NIH HHS [T32MH018931, R01 MH078980, T32 MH018931, R01 MH078980-03] Funding Source: Medline
Psychopathic individuals are generally unresponsive to motivational and emotional, cues that facilitate behavioral regulation. A putative mechanism for this deficiency is Gray's (1981) behavioral inhibition system (BIS). To evaluate the association between psychopathy and BIS functioning, we administered a laboratory-based assessment of BIS functioning to a group of psychopathic offenders assessed with the Psychopathy Checklist Revised (PCL-R; Hare, 2003). In addition, we tested the hypothesis that the effects of working memory load on BIS functioning would interact differentially with the PCL-R factors. Replicating previous results, psychopathic offenders were less sensitive to BIS-related cues than controls. As predicted, working memory load interacted with Factor 2 (antisocial/impulsive), with higher scores predicting weaker BIS functioning under high-load though not low-load conditions. Results suggest new insights concerning the relationship among working memory, reward sensitivity, and BIS functioning in psychopathy.
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