Psychopathic personality traits in middle-aged male twins: A behavior genetic investigation

Michael Brook*, Matthew S. Panizzon, David S. Kosson, Elizabeth A. Sullivan, Michael J. Lyons, Carol E. Franz, Seth A. Eisen, William S. Kremen

*Corresponding author for this work

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Psychopathic personality is characterized by interpersonal dominance, impulsivity, sensation seeking, poor planning, and aggressiveness. Studies have shown that the Multidimensional Personality Questionnaire (MPQ) can be used to estimate scores on the fearless-dominant (FD) and the impulsive-antisocial (IA) dimensions of the Psychopathic Personality Inventory (PPI), the best validated self-report measure of psychopathic personality traits. Prior behavior genetic studies reported roughly equal genetic and nonshared environmental influences for both FD and IA, which remained stable from adolescence to young adulthood. However, no prior studies address genetic and environmental influences on these dimensions beyond early adulthood. We utilized the classic twin method to examine genetic and environmental influences on variance in FD and IA in a sample of middle-aged male twins. Biometric modeling indicated that the variance in both factors is best explained by additive genetic and nonshared environmental influences. FD showed roughly equal contributions from genetic and environmental factors, whereas IA showed greater contributions from environmental than genetic factors. Additionally, the small phenotypic correlation between FD and IA was explained entirely by nonshared environmental factors.

Original languageEnglish (US)
Pages (from-to)473-486
Number of pages14
JournalJournal of Personality Disorders
Volume24
Issue number4
DOIs
StatePublished - Aug 1 2010

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Antisocial Personality Disorder
Personality Inventory
Impulsive Behavior
Self Report
Personality

ASJC Scopus subject areas

  • Clinical Psychology
  • Psychiatry and Mental health

Cite this

Brook, M., Panizzon, M. S., Kosson, D. S., Sullivan, E. A., Lyons, M. J., Franz, C. E., ... Kremen, W. S. (2010). Psychopathic personality traits in middle-aged male twins: A behavior genetic investigation. Journal of Personality Disorders, 24(4), 473-486. https://doi.org/10.1521/pedi.2010.24.4.473
Brook, Michael ; Panizzon, Matthew S. ; Kosson, David S. ; Sullivan, Elizabeth A. ; Lyons, Michael J. ; Franz, Carol E. ; Eisen, Seth A. ; Kremen, William S. / Psychopathic personality traits in middle-aged male twins : A behavior genetic investigation. In: Journal of Personality Disorders. 2010 ; Vol. 24, No. 4. pp. 473-486.
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Brook, M, Panizzon, MS, Kosson, DS, Sullivan, EA, Lyons, MJ, Franz, CE, Eisen, SA & Kremen, WS 2010, 'Psychopathic personality traits in middle-aged male twins: A behavior genetic investigation', Journal of Personality Disorders, vol. 24, no. 4, pp. 473-486. https://doi.org/10.1521/pedi.2010.24.4.473

Psychopathic personality traits in middle-aged male twins : A behavior genetic investigation. / Brook, Michael; Panizzon, Matthew S.; Kosson, David S.; Sullivan, Elizabeth A.; Lyons, Michael J.; Franz, Carol E.; Eisen, Seth A.; Kremen, William S.

In: Journal of Personality Disorders, Vol. 24, No. 4, 01.08.2010, p. 473-486.

Research output: Contribution to journalArticle

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