The present study is a continuation into adulthood of a major longitudinal twin study of aggression and antisocial behavior (ASB) and its social and biological risk factors (#MH58354) in a diverse urban sample. The first two funding periods provided comprehensive laboratory assessments of behavioral, neurocognitive, social and psychophysiological function, and multi-trait, multi-rater assessments of externalizing psychopathology during four waves of investigation when the twins were ages 9-10 (Wave 1) 11-13 (Wave 2), 14-16 (Wave 3) and 17-18 years old (Wave 4). Relationships of ASB with known risk factors (social and biological) were confirmed, and new relationships identified. The extent to which genetic and environmental factors affect ASB, its risk factors and their relationships has also been elucidated, with many findings shown to vary across gender, informant, definition of ASB, and age. We propose to extend the study to include an adult assessment at ages 19-23 (Wave 5), to obtain comprehensive measures of antisocial and aggressive behavior and their risk factors during a period of greatest risk for criminal offending, antisocial personality disorder and substance abuse. The primary aim of the next phase is to understand environmental, genetic, and phenotypic continuities in externalizing behavior problems and their biological and social risk factors through adulthood, including the prediction of adult outcomes from childhood and adolescent measures. Adding the adult assessment will yield the most comprehensive, prospective longitudinal data on externalizing behavior problems ever obtained in a genetically informative design. This five-wave, 15 year longitudinal twin study will provide the unique opportunity to understand how genes and environment combine and interact to produce antisocial outcomes from childhood to adulthood, and will greatly enhance our understanding of externalizing psychopathology and its heterogeneous developmental trajectories. Understanding gene-environment interplay in the development of externalizing psychopathology is of key importance to future intervention and prevention.

Public Health Relevance

Continuation of this longitudinal twin study into adulthood will provide the unique opportunity to unravel the developmental course of externalizing behavior problems across several critical periods of the lifespan, including childhood, adolescence, and ultimately young adulthood. Understanding the development of externalizing problems and their underlying mechanisms will enable prediction of adult psychopathology from early childhood, and provide opportunities to identify protective factors and thus effective prevention of seriously deviant and maladaptive behavior during adulthood. Given the costs of antisocial behavior-including criminal offending, substance use, and psychopathy--to both individuals and society, the reduction of these behaviors will provide enormous benefits to public health.)

National Institute of Health (NIH)
National Institute of Mental Health (NIMH)
Research Project (R01)
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Behavioral Genetics and Epidemiology Study Section (BGES)
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Zehr, Julia L
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University of Southern California
Schools of Arts and Sciences
Los Angeles
United States
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Gao, Yu; Tuvblad, Catherine; Schell, Anne et al. (2015) Skin conductance fear conditioning impairments and aggression: a longitudinal study. Psychophysiology 52:288-95
Tuvblad, Catherine; Bezdjian, Serena; Raine, Adrian et al. (2014) The heritability of psychopathic personality in 14- to 15-year-old twins: a multirater, multimeasure approach. Psychol Assess 26:704-16
Bezdjian, Serena; Tuvblad, Catherine; Wang, Pan et al. (2014) Motor impulsivity during childhood and adolescence: a longitudinal biometric analysis of the go/no-go task in 9- to 18-year-old twins. Dev Psychol 50:2549-57
Tuvblad, Catherine; Gao, Yu; Wang, Pan et al. (2013) The genetic and environmental etiology of decision-making: a longitudinal twin study. J Adolesc 36:245-55
Baker, Laura A; Tuvblad, Catherine; Wang, Pan et al. (2013) The Southern California Twin Register at the University of Southern California: III. Twin Res Hum Genet 16:336-43
Tuvblad, Catherine; Bezdjian, Serena; Raine, Adrian et al. (2013) Psychopathic Personality and Negative Parent-to-Child Affect: A Longitudinal Cross-lag Twin Study. J Crim Justice 41:
Niv, Sharon; Tuvblad, Catherine; Raine, Adrian et al. (2013) Aggression and Rule-breaking: Heritability and stability of antisocial behavior problems in childhood and adolescence. J Crim Justice 41:
Niv, Sharon; Tuvblad, Catherine; Raine, Adrian et al. (2012) Heritability and longitudinal stability of impulsivity in adolescence. Behav Genet 42:378-92
Tuvblad, Catherine; Gao, Yu; Isen, Joshua et al. (2012) The heritability of the skin conductance orienting response: a longitudinal twin study. Biol Psychol 89:47-53
Wang, Pan; Baker, Laura A; Gao, Yu et al. (2012) Psychopathic traits and physiological responses to aversive stimuli in children aged 9-11 years. J Abnorm Child Psychol 40:759-69

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