It started as a quiet moment in front of the TV—until her hand turned against her. A 77-year-old woman was relaxing at home when she noticed her left hand slowly, deliberately stroking her own face ...

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 ...

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 ...

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 ...