Alien Hand Syndrome (AHS) is a rare neurological disorder distinguished by involuntary, seemingly purposeful limb movements coupled with a sensation of estrangement from the affected limb. This ...

My friend and Huffington Post Blogger Dave Pruett is a mathematician turned philosopher who writes about the interface between science and what might be termed more mystical or parapsychological ...

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 ...

An elderly woman believed she was possessed by ghosts when she saw her arm move on its own before doctors discovered she was actually suffering from an extremely rare condition. A 77-year-old woman ...

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 ...

Credit: Getty Images Some rare psychological disorders may occur so infrequently that most mental health professionals might never encounter them. Approximately 1 of every 5 adults in the United ...