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Permalink: http://hdl.handle.net/1866/20930

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

Warm-rewarding genetic callous-unemotional

Article [Accepted Manuscript]
Thumbnail
Henry_2018_id_6027.pdf (458.5Kb)
Is part of
Journal of child psychology and psychiatry
Publisher(s)
Wiley
2018-04-23
Author(s)
Henry, Jeffrey
Dionne, Ginette
Viding, Essi
Vitaro, Frank
Brendgen, Mara
Tremblay, Richard Ernest
Boivin, Michel
Affiliation
  • Université de Montréal. Faculté des arts et des sciences. École de psychoéducation
  • Université de Montréal. Faculté de médecine. Département de psychiatrie
Keywords
  • Callous-unemotional traits
  • Warm/rewarding parenting
  • Gene-environment interaction
  • Twin studies
Abstract(s)
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.
Other location(s)
https://doi.org/10.1111/jcpp.12918
Collections
  • Faculté des arts et des sciences – École de psychoéducation – Travaux et publications [139]

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