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Article

Co-occurrence of ADHD and low IQ has genetic origins.

American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics - 1 Jan 2004

Kuntsi J, Eley T C, Taylor A, Hughes C, Asherson P, Caspi A, Moffitt T E

Abstract excerpt

Previous studies show that the symptoms of attention deficit hyperactivity disorder (ADHD) and lower intelligence quotient (IQ) covary in children. We investigated the aetiology of this association in a large population-based sample of 5-year-old twins. The twins were individually assessed on an IQ test, and data on ADHD symptoms were obtained from mother interviews and teacher ratings. Confirming previous...

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Source

Identifiers

PMID: 14681911
DOI: 10.1002/ajmg.b.20076

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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