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Article

Is overactivity a core feature in ADHD? Familial and receiver operating characteristic curve analysis of mechanically assessed activity level.

Journal of the American Academy of Child and Adolescent Psychiatry - 1 Oct 2009

Wood Alexis C, Asherson Philip, Rijsdijk Frühling, Kuntsi Jonna

Abstract excerpt

OBJECTIVE: Symptoms of overactivity form part of the DSM-IV criteria for the combined or hyperactive-impulsive subtypes of attention-deficit/hyperactivity disorder (ADHD); yet little data exist that would quantify the nature of the overactivity component. We aimed to quantify the ability of four different measures of motion sensor data, taken from actigraphs, and the intraindividual variability (IIV) in these...

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Identifiers

PMID: 19701105
DOI: 10.1097/CHI.0b013e3181b54612

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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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