hyperkinetic dysarthria

hy·per·ki·net·ic dys·ar·thri·a

dysarthria caused by chorea and myoclonus.

hy·per·ki·net·ic dys·arth·ri·a

(hī'pĕr-ki-net'ik dis-ahr'thrē-ă) Dysarthria associated with disorders of the extrapyramidal motor system resulting in involuntary movements of the articulatory and respiratory systems that cause variations in voice loudness and rate and in interruptions in ongoing speech.
See also: extrapyramidal motor system, myoclonus, athetosis, Tourette syndrome