Self-reported trauma, cortisol levels, and aggression in psychopathic and non-psychopathic prison inmates

Maaike Cima, Tom Smeets, Marko Jelicic

Research output: Contribution to journalArticleScientificpeer-review

115 Citations (Scopus)

Abstract

The relationship between self-reported traumatic childhood experiences, cortisol levels, aggression, and psychopathy was investigated in prison inmates (n=47) and healthy controls (n=27). Besides questionnaires, a brief salivary diurnal profile was measured. Results show that criminals (both psychopaths and non-psychopaths) demonstrate more traumatic childhood experiences than the control group. Within the group of criminals, psychopaths showed the lowest diurnal cortisol concentrations, whereas the non-psychopaths demonstrated highest daily average cortisol (DAC) scores. High levels of aggression were related to traumatic childhood experiences in non-psychopaths and control participants, but not in psychopaths. Although psychopathic offenders demonstrated low levels of cortisol, high levels of childhood traumatic experiences and high levels of aggression, cortisol was not a mediating factor between childhood traumatic experiences and aggression. Implications of the finding that psychopathic offenders displayed lower and non-psychopaths showed higher daily cortisol levels are discussed.
Original languageEnglish
Pages (from-to)75-86
JournalBiological Psychology
Volume78
Issue number1
DOIs
Publication statusPublished - 2008
Externally publishedYes

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