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Sökning: WFRF:(Ruchkin VV) > (2008)

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  • Väfors Fritz, Marie, et al. (författare)
  • Psychopathy and violence in juvenile delinquents : What are the associated factors?
  • 2008
  • Ingår i: International Journal of Law and Psychiatry. - 0160-2527 .- 1873-6386. ; 31:3, s. 272-279
  • Tidskriftsartikel (refereegranskat)abstract
    • The purpose of the present study was a) to examine the discriminative power of the Antisocial Process Screening Device (APSD), aggressive traits, impulsiveness, antisocial attitudes and alcohol-related problems between subgroups of Russian juvenile delinquents (n = 175) with low versus high levels of violent behavior; and b) to compare the predictive value of these variables in two subgroups defined by higher versus lower levels of psychopathic traits. Results demonstrated that the APSD score, traits of physical aggression and alcohol-related problems were able to discriminate between groups with various levels of violence. Furthermore, the level of violence was the only variant factor when comparing levels of psychopathy. Finally, different sets of predictors emerged for the group with higher versus lower psychopathy scores. The results are discussed in relation to specific features of psychopathy and environmental factors in general and the use of alcohol in particular.
  • Haeffel, Gerald J., et al. (författare)
  • Association Between Polymorphisms in the Dopamine Transporter Gene and Depression : Evidence for a Gene-Environment Interaction in a Sample of Juvenile Detainees
  • 2008
  • Ingår i: Psychological Science. - 0956-7976 .- 1467-9280. ; 19:1, s. 62-69
  • Tidskriftsartikel (refereegranskat)abstract
    • Previous research has generated examples of how genetic and environmental factors can interact to create risk for psychopathology. Using a gene-by-environment (G × E) interaction design, we tested whether three polymorphisms in the dopamine transporter gene (DAT1, also referred to as SLC6A3, located at 5p15.33) interacted with maternal parenting style to predict first-onset episodes of depression. Participants were male adolescents (N= 176) recruited from a juvenile detention center in northern Russia. As hypothesized, one of the polymorphisms (rs40184) moderated the effect of perceived maternal rejection on the onset of major depressive disorder, as well as on suicidal ideation. Further, this G × E interaction was specific to depression; it did not predict clinically significant anxiety. These results highlight the need for further research investigating the moderating effects of dopaminergic genes on depression.
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