Article
[Genetic background of ADHD: population studies, genes of the catecholamine system].
Psychiatria polska - 1 Jan 2000
Słopién Agnieszka, Dmitrzak-Weglarz Monika, Rybakowski Filip, Rajewski Andrzej, Hauser Joanna
Abstract excerpt
Attention-deficit hyperactivity disorder (ADHD) begins in early childhood. In this article we review the studies supporting a genetic background of this disorder. ADHD occurs in 3-10% of the general population. Family studies reveal a 5 times more likely frequency of ADHD among first-degree relatives than in the general population. Monozygotic twin concordance rate for ADHD is 81%, whereas for dizygotic twins it...
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