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 ...

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 ...

Imagine trying to play the piano or button a shirt, while one hand does something else, entirely of its own volition. Invisibilia explored this... Karen Byrne's left hand sometimes operates on its own ...

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" ...