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The role of personality and biologic...

Dmitrieva, Julia.

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The role of personality and biological factors in protecting adolescents from the effects of environmental risk factors.

Record Type:	Electronic resources : Monograph/item
Title/Author:	The role of personality and biological factors in protecting adolescents from the effects of environmental risk factors./
Author:	Dmitrieva, Julia.
Description:	103 p.
Notes:	Source: Dissertation Abstracts International, Volume: 67-04, Section: B, page: 2257.
Contained By:	Dissertation Abstracts International67-04B.
Subject:	Psychology, Developmental. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3214064
ISBN:	9780542646119

The role of personality and biological factors in protecting adolescents from the effects of environmental risk factors.
Dmitrieva, Julia.

The role of personality and biological factors in protecting adolescents from the effects of environmental risk factors. - 103 p.

Source: Dissertation Abstracts International, Volume: 67-04, Section: B, page: 2257.

Thesis (Ph.D.)--University of California, Irvine, 2006.

Although much theorized about, the findings of person x gene x environment interactions are rare. This study evaluated the person x environment, gene x environment, and person x gene aspects of this interaction in relation to adolescent antisocial behavior. Major theories of adolescent delinquency emphasize the role of low self-control (e.g., impulsivity and emotional lability) in antisocial behavior. These and related personality traits are presumed to interact (in a synergistic manner) with social context. This study proposed and tested a hypothesis that the nature of the interaction between low self-control and social context is such that low self-control is not related to antisocial behavior in low risk contexts. The study sample consisted of 324 14-17 year-old participants from Russia. In order to increase the power for finding interaction effects, recruitment focused on inclusion of youths with a wide range of exposure to contextual risk factors. Results supported the first hypothesis (i.e., the person x environment hypothesis) for impulsivity and, in part, for active coping, disengagement coping, anger, behavioral activation, and behavioral inhibition. The second hypothesis tested the role of dopamine receptor 4 gene (DRD4) in explaining low self-control and delinquent behavior. Results showed that individuals with the 7-repeat allele were more likely than those with 4-repeat alleles to have high trait anger when living in a context of high peer delinquency or exposure to violence. Furthermore, higher anger was more strongly linked to antisocial behavior for these individuals. Results for the 2- and 3-repeat alleles indicated that they had a protective function. The 2-repeat allele protected youths from the effects of various adverse social contexts on antisocial behavior. The 3-repeat was also protective in the context of negative life events but not for other contexts. Implications for future studies are discussed.

ISBN: 9780542646119Subjects--Topical Terms:

1017557
Psychology, Developmental.

The role of personality and biological factors in protecting adolescents from the effects of environmental risk factors.
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245 1 4 $a The role of personality and biological factors in protecting adolescents from the effects of environmental risk factors.
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500 $a Source: Dissertation Abstracts International, Volume: 67-04, Section: B, page: 2257.
500 $a Advisers: Ellen Greenberger; Chuansheng Chen.
502 $a Thesis (Ph.D.)--University of California, Irvine, 2006.
520 $a Although much theorized about, the findings of person x gene x environment interactions are rare. This study evaluated the person x environment, gene x environment, and person x gene aspects of this interaction in relation to adolescent antisocial behavior. Major theories of adolescent delinquency emphasize the role of low self-control (e.g., impulsivity and emotional lability) in antisocial behavior. These and related personality traits are presumed to interact (in a synergistic manner) with social context. This study proposed and tested a hypothesis that the nature of the interaction between low self-control and social context is such that low self-control is not related to antisocial behavior in low risk contexts. The study sample consisted of 324 14-17 year-old participants from Russia. In order to increase the power for finding interaction effects, recruitment focused on inclusion of youths with a wide range of exposure to contextual risk factors. Results supported the first hypothesis (i.e., the person x environment hypothesis) for impulsivity and, in part, for active coping, disengagement coping, anger, behavioral activation, and behavioral inhibition. The second hypothesis tested the role of dopamine receptor 4 gene (DRD4) in explaining low self-control and delinquent behavior. Results showed that individuals with the 7-repeat allele were more likely than those with 4-repeat alleles to have high trait anger when living in a context of high peer delinquency or exposure to violence. Furthermore, higher anger was more strongly linked to antisocial behavior for these individuals. Results for the 2- and 3-repeat alleles indicated that they had a protective function. The 2-repeat allele protected youths from the effects of various adverse social contexts on antisocial behavior. The 3-repeat was also protective in the context of negative life events but not for other contexts. Implications for future studies are discussed.
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