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Early warm-rewarding parenting moderates the genetic contributions to callous-unemotional traits in childhood

Henry, J; Dionne, G; Viding, E; Vitaro, F; Brendgen, M; Tremblay, RE; Boivin, M; (2018) Early warm-rewarding parenting moderates the genetic contributions to callous-unemotional traits in childhood. The Journal of Child Psychology and Psychiatry , 59 (12) pp. 1282-1288. 10.1111/jcpp.12918. Green open access

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Abstract

BACKGROUND: Previous gene-environment interaction studies of CU traits have relied on the candidate gene approach, which does not account for the entire genetic load of complex phenotypes. Moreover, these studies have not examined the role of positive environmental factors such as warm/rewarding parenting. The aim of the present study was to determine whether early warm/rewarding parenting moderates the genetic contributions (i.e., heritability) to callous-unemotional (CU) traits at school age. METHODS: Data were collected in a population sample of 662 twin pairs (Quebec Newborn Twin Study - QNTS). Mothers reported on their warm/rewarding parenting. Teachers assessed children's CU traits. These reports were subjected to twin modeling. RESULTS: Callous-unemotional traits were highly heritable, with the remaining variance accounted for by nonshared environmental factors. Warm/rewarding parenting significantly moderated the role of genes in CU traits; heritability was lower when children received high warm/rewarding parenting than when they were exposed to low warm/rewarding parenting. CONCLUSIONS: High warm/rewarding parenting may partly impede the genetic expression of CU traits. Developmental models of CU traits need to account for such gene-environment processes.

Type: Article
Title: Early warm-rewarding parenting moderates the genetic contributions to callous-unemotional traits in childhood
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1111/jcpp.12918
Publisher version: https://doi.org/10.1111/jcpp.12918
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Callous-unemotional traits, gene-environment interaction, twin studies, warm/rewarding parenting
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Clinical, Edu and Hlth Psychology
URI: https://discovery.ucl.ac.uk/id/eprint/10051054
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