a set of nonprogressive movement and posture disorders that results from trauma to the brain occurring prenatally, during the birth process, or before the age of 5. 

in DSM–5, the term for stuttering.

n. irregular and involuntary jerky movements of the limbs and facial muscles.

in DSM–IV–TR, a tic disorder characterized by motor or vocal tics (but not both) for a period of more than 1 year, during which any period without tics lasts for no more than 3 months.

any of a group of disorders characterized by difficulties with speech and language, such as expressive language disorder, mixed receptive-expressive language disorder, phonological disorder, and stuttering.

in DSM–IV–TR, a persistent pattern of behavior that involves violating the basic rights of others and ignoring age-appropriate social standards. 

in DSM–IV–TR, a somatoform disorder in which patients present with one or more symptoms or deficits affecting voluntary motor and sensory functioning that suggest a physical disorder but for which there is instead evidence of psychological involvement. 

a mood disorder characterized by periods of hypomanic symptoms and periods of depressive symptoms that occur over the course of at least 2 years.

American Psychological Association