Judged: two independent readers; copy check clear.

ADHD

ADHD ADHD is a childhood-onset behavior disorder marked by developmentally inappropriate inattention, impulsivity, and hyperactivity.

ADHD is a childhood-onset behavior disorder marked by developmentally inappropriate inattention, impulsivity, and hyperactivity. Some people mainly show inattention or mainly hyperactivity-impulsivity, and while symptoms often lessen by late adolescence, some continue into adulthood.

Also see

Sources

Drafting source: U.S. National Library of Medicine. Medical Subject Headings (MeSH), 2026 descriptor edition. “Attention Deficit Disorder with Hyperactivity” (D001289).
public-domain-US-government · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: f4339837e5ce728d59229737271179cfc45f7c4c2318205c617937116f54440b

These citations identify the drafting sources. 2/2 independent reader passes against the pinned source packet. The drafter does not count as a reader. Source institutions do not endorse this dictionary.

Cite this entry

PsychTerms (psychterms.org), CC BY 4.0, version 1. “ADHD.” Development preview.

Version 1 · SHA-256: e533b341dfc8a7cc21384d58536f3581ae24a7d5757591f4526dc5a582255c45

Edit this entry on GitHub