Alien hand syndrome

Also known as: Anarchic hand syndrome

Involuntary purposeful movements of a hand without sense of control.

Medical specialty: Neurology
Subspecialty: Neurology / Cortical syndromes
Sex & age distribution: Male: affected; Female: affected; Children: rare
Gene(s) involved: None recorded

Etiology & mechanism

Lesion of the corpus callosum or medial frontal lobe.

Gene(s) involved (0)

No gene recorded.

Symptoms & signs (3)

hand not felt as ownintermanual conflictinvoluntary hand movements

SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.