Tourette syndrome involves involuntary motor and vocal tics that are widely misunderstood. Learning what the condition looks ...

Chorea and hemiballismus are both forms of involuntary movement disorders. Hemiballismus can cause sudden, violent, and flinging motions. Chorea can cause irregular, spontaneous, and nonrepetitive ...

Athetosis and chorea are two types of involuntary movements that can occur in children and adults with neurological conditions, such as cerebral palsy. The movements have different features, and the ...