Article
Genetic effects on ADHD symptomatology in 7- to 13-year-old twins: results from a telephone survey.
Behavior genetics - 1 Mar 1998
Nadder T S, Silberg J L, Eaves L J, Maes H H, Meyer J M
Abstract excerpt
The magnitude of genetic and environmental factors and the influence of contrast effects on attention-deficit hyperactivity disorder (ADHD) symptomatology were examined on a sample of 900 twin pairs, aged 7-13, participating in the Virginia Twin Study of Adolescent Behavioral Development (VTSABD). In addition, the genetic and environmental correlations between ADHD and oppositional-defiant disorder/conduct...
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