Alien hand syndrome is a rare neurological condition that causes one hand to act on its own free will. Sometimes one leg is affected, though this isn’t as common. With alien hand syndrome, the hand ...

AHS is often caused by brain injury or neurodegenerative illnesses, but there is not enough research to determine any consistent cause or why it occurs. “Alien hand is little investigated because it ...

A 55-year-old patient who was right-handed consulted a neurologist for episodes of inter-manual conflict due to uncontrolled movements of his left hand, marked by involuntary movements of his left ...

A new study identified the areas of the brain involved in both voluntary and involuntary movement and found that neural activity was restricted to the primary motor cortex during the unconscious motor ...

Alien hand syndrome (AHS) is a rare medical condition that was first described in 1908. People with this syndrome lose control of one of their hands. Their minds can no longer give the "alien hand" ...

Alien hand syndrome (AHS) is when a single limb, usually a hand but sometimes a leg, moves involuntarily. It can signify a serious underlying issue, such as stroke or neurodegenerative disease. Share ...