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A genetic factor explains most of the variation in the psychopathic personality
Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden; Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.ORCID iD: 0000-0002-6851-3297
Örebro University, Department of Behavioural, Social and Legal Sciences.ORCID iD: 0000-0002-8163-6558
Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden.
2006 (English)In: Journal of Abnormal Psychology, ISSN 0021-843X, E-ISSN 1939-1846, Vol. 115, no 2, 221-230 p.Article in journal (Refereed) Published
Abstract [en]

The psychopathic personality can be conceptualized as three interrelated dimensions, (a) an interpersonal style of glibness, grandiosity, and manipulation; (b) an affective disposition of callousness, lack of empathy, and unemotionality; and (c) a behavioral/lifestyle dimension of impulsivity, need for stimulation, and irresponsibility, underpinning a higher order construct, psychopathic personality. The authors used a self-report questionnaire (The Youth Psychopathic Traits Inventory) to study the importance of genetic and environmental influences on psychopathic personality traits in a sample of 1,090 monozygotic and dizygotic twin pairs, aged 16-17 years. Results showed a strong genetic influence behind the higher order "psychopathic personality" factor, underpinned by the three psychopathic personality dimensions. Over and above the effects to the higher order factor, significant unique genetic influences were also found in the callous/unemotional and in the impulsive/irresponsible dimension, but not in the grandiose/manipulative dimension. The authors propose that this latent psychopathic personality factor is a meaningful target for future etiological research.

Place, publisher, year, edition, pages
American Psychological Association (APA), 2006. Vol. 115, no 2, 221-230 p.
Keyword [en]
psychopathy; genetic; environment; twins; adolescence
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:oru:diva-54511DOI: 10.1037/0021-843X.115.2.221ISI: 000237967900009PubMedID: 16737387Scopus ID: 2-s2.0-33745791377OAI: oai:DiVA.org:oru-54511DiVA: diva2:1064293
Available from: 2017-01-12 Created: 2017-01-12 Last updated: 2017-01-24Bibliographically approved

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CiteExportLink to record
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Citation style
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