Article
The relationship between ADHD and key cognitive phenotypes is not mediated by shared familial effects with IQ.
Psychological medicine - 1 Apr 2011
Wood A C, Rijsdijk F, Johnson K A, Andreou P, Albrecht B, Arias-Vasquez A, Buitelaar J K, McLoughlin G, Rommelse N N J, Sergeant J A, Sonuga-Barke E J S, Uebel H, van der Meere J J, Banaschewski T, Gill M, Manor I, Miranda A, Mulas F, Oades R D, Roeyers H, Rothenberger A, Steinhausen H C, Faraone S V, Asherson P, Kuntsi J
Abstract excerpt
BACKGROUND: Twin and sibling studies have identified specific cognitive phenotypes that may mediate the association between genes and the clinical symptoms of attention deficit hyperactivity disorder (ADHD). ADHD is also associated with lower IQ scores. We aimed to investigate whether the familial association between measures of cognitive performance and the clinical diagnosis of ADHD is mediated through shared...
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