attention deficit hyperactivity disorder

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attention deficit hyperactivity disorder

n. Abbr. ADHD
A neurodevelopmental disorder that begins in childhood, characterized by persistent impulsiveness, difficulties in focusing on tasks or paying attention, and often hyperactivity, and interfering especially with academic, occupational, and social performance. Also called attention deficit disorder.

attention deficit hyperactivity disorder

n
(Medicine) a form of attention deficit disorder in which hyperactivity is a prominent symptom. Abbreviation: ADHD

atten′tion def`icit hyperactiv′ity disor`der


n.
a condition, usu. in children, characterized by inattention, hyperactivity, and impulsiveness.
[1985–90]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.attention deficit hyperactivity disorder - a condition (mostly in boys) characterized by behavioral and learning disordersattention deficit hyperactivity disorder - a condition (mostly in boys) characterized by behavioral and learning disorders
hyperactivity - a condition characterized by excessive restlessness and movement
syndrome - a pattern of symptoms indicative of some disease