Psychopathic personality development from ages 9 to 18: genes and environment

Tuvblad, Catherine,1968-Örebro universitet,Institutionen för juridik, psykologi och socialt arbete,Department of Psychology, University of Southern California, Los Angeles CA, United States,CAPS (author)

Psychopathic personality development from ages 9 to 18 : genes and environment

Funding Agencies:NIMH R01 MH58354NIMH Independent Scientist Award K02 MH01114-08
The genetic and environmental etiology of individual differences was examined in initial level and change in psychopathic personality from ages 9 to 18 years. A piecewise growth curve model, in which the first change score (G(1)) influenced all ages (9-10, 11-13, 14-15, and 16-18 years) and the second change score (G(2)) only influenced ages 14-15 and 16-18 years, fit the data better did than the standard single slope model, suggesting a turning point from childhood to adolescence. The results indicated that variations in levels and both change scores were mainly due to genetic (A) and nonshared environmental (E) influences (i.e., AE structure for G(0), G(1), and G(2)). No sex differences were found except on the mean values of level and change scores. Based on caregiver ratings, about 81% of variance in G(0), 89% of variance in G(1), and 94% of variance in G(2) were explained by genetic factors, whereas for youth self-reports, these three proportions were 94%, 71%, and 66%, respectively. The larger contribution of genetic variance and covariance in caregiver ratings than in youth self-reports may suggest that caregivers considered the changes in their children to be more similar as compared to how the children viewed themselves.

Wang, PanDepartment of Psychology, University of Southern California, Los Angeles CA, United States (author)
Bezdjian, SerenaDepartment of Psychology, University of Southern California, Los Angeles CA, United States (author)
Raine, AdrianUniversity of Pennsylvania, Philadelphia, United States (author)
Baker, Laura A.Department of Psychology, University of Southern California, Los Angeles CA, United States (author)
Örebro universitetInstitutionen för juridik, psykologi och socialt arbete (creator_code:org_t)

In:Development and psychopathology (Print)New York : Cambridge University Press28:1, s. 27-440954-57941469-2198

By the author/editor: Tuvblad, Catheri ...; Wang, Pan; Bezdjian, Serena; Raine, Adrian; Baker, Laura A.

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