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  • Title: Aggression, impulsivity, plasma sex hormones, and biogenic amine turnover in a forensic population of rapists.
    Author: Giotakos O, Markianos M, Vaidakis N, Christodoulou GN.
    Journal: J Sex Marital Ther; 2003; 29(3):215-25. PubMed ID: 12851126.
    Abstract:
    The aim of the present study was to assess androgen plasma levels and biogenic amine metabolites in a sex-offender group as well as to investigate the relationship between the biological findings and the impulsive, aggressive, and suicidal profile of the offenders. Fifty-seven males convicted for rape and 25 normal males comprised the study sample. We found that although both testosterone levels and aggression-impulsivity scores were higher in the group of rapists, testosterone levels were not associated with the aggression and impulsivity scores. Nevertheless, aggression-impulsivity scores were clearly associated with luteinizing hormone levels. This association may indicate a hyperactive hypothalamic-pituitary-gonadal axis, possibly the result of a reduced serotonergic activity.
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