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 ...

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 ...

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 ...