What is the definition of Alien Hand Syndrome?

Alien hand syndrome is condition that may occur after a stroke, brain tumor, brain aneurysm, or neurosurgery in which an individual has no control over a hand which instead acts on its own.

What are the symptoms for Alien Hand Syndrome?

Symptoms of alien hand syndrome may include a feeling that the hand does not belong to its owner (alien hand sign); involuntary movements, such as one hand performing actions contrary to the other hand; a hand that performs activities not directed by the owner (anarchic hand) or levitating hand; and a feeling of having an extra limb (supernumerary hand). Individuals with alien hand syndrome may be groped by their own hand against their will, or they may slap the alien hand with their normal hand. The alien hand may grab things and not let go or even attempt to suffocate the patient.

What are the current treatments for Alien Hand Syndrome?

There is currently no treatment for alien hand syndrome, which may go away on its own in minutes, hours, or days or last for years.
  • Condition: Alien Limb Phenomenon following Posterior Cerebral Artery Stroke
  • Journal: Journal of neurology
  • Treatment Used: In-Patient Rehabilitation
  • Number of Patients: 1
  • Published —
This case report discusses a patient with alien limb phenomenon following posterior cerebral artery stroke.

There are no recent clinical trials available for this condition. Please check back because new trials are being conducted frequently.