Journal
PSYCHONEUROENDOCRINOLOGY
Volume 32, Issue 2, Pages 183-191Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.psyneuen.2006.12.004
Keywords
psychopathy; cortisol; stress; gender; TSST
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Blunted stress reactivity has been implicated in the development of psychopathic personality traits. Cortisol is a biological marker of stress reactivity that has received little attention in prior psychopathy studies. The current investigation proposed that inhibition of cortisol response to induced stress is a reliable marker for psychopathic personality traits. An extreme groups methodology was used to recruit a mixed-gender sample of 84 college students characterized by high and tow scores on the Levenson Self-Report Psychopathy Scale. Participants provided sativa samples prior to and after a well-established stress induction procedure (i.e., Trier Social Stress Test). These samples were assessed for cortisol (mu g/dL) using an enzyme immunoassay procedure. Consistent with prediction, mate participants high in psychopathic personality traits Lacked stress induced increases in cortisol displayed by mates low in psychopathic personality traits. This effect was not present in female participants. These findings suggest that cortisol production is a gender-specific marker for psychopathic personality traits. (c) 2007 Elsevier Ltd. All rights reserved.
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