Article
Genetic and gene-environment interaction effects on preschoolers' social behaviors.
Developmental psychobiology - 1 Sept 2009
DiLalla Lisabeth Fisher, Elam Kit K, Smolen Andrew
Abstract excerpt
This study examined effects from a specific dopamine receptor gene (DRD4), environmental influences from parents and peers, and the interaction between them, on aggressive and prosocial behaviors of preschoolers. Children were classified as DRD4-L (n = 27) if they had at least one DRD4 allele with six to eight repeats and as DRD4-S (n = 35) if not. Parent-child interactions were coded when children were 3-4 years...
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