hyperactivity

nouns

a condition characterized by excessive restlessness and movement
hyperactivity
is derived from
hyperactive
is a part of
a condition (mostly in boys) characterized by behavioral and learning disorders
ADD, ADHD, MBD, attention deficit disorder, attention deficit hyperactivity disorder, hyperkinetic syndrome, minimal brain damage, minimal brain dysfunction
is a type of (narrower)
a physical condition in which there is a disturbance of normal functioning
"the doctor prescribed some medicine for the disorder"; "everyone gets stomach upsets from time to time"
disorder, upset