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 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 sitting at home on your couch when one of your hands begins to move of its own accord — and you’re powerless to stop it. That’s what happened to one unidentified 77-year-old woman, whom ...

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" ...

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 bizarre and rare neurological disorder has puzzled the world, called the Alien Hand Syndrome. Imagine waking up and finding your hand uncooperative, while drinking coffee, you might end up ...