Persistent, abnormal restlessness, impulsiveness, and excitability.
Example: The family of a twelve-year-old girl is seeking assistance with her behavior problems, which have adversely affected her school performance. During assessment, she’s remarkably restless and fidgets constantly.
Grinnell, R. (2008). Hyperactivity. Psych Central. Retrieved on February 9, 2016, from http://psychcentral.com/encyclopedia/hyperactivity/