Alien hand is little investigated because it is rare and cannot predictively occur,” Mark said. “In comparison to other neurological illnesses, the involuntary movements do appear to be goal-directed, ...

PHILADELPHIA (CBS) – It is one of the disorders of the human body that has fascinated researchers: primarily because they are not aware of the cause. Mirror movements: that's where affected people are ...

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This release is available in French. Montreal, April 30, 2010 – Researchers have identified the genetic cause of mirror movements, where affected people are unable to move one side of the body without ...

Researchers have identified a previously overlooked neural pathway that helps control human hand and arm movements. The ...

Measurements of hand movement control may help determine the severity of attention deficit hyperactivity disorder (ADHD) in children, according to two new studies. ADHD is a brain disorder ...

A team of researchers from Germany and Russia, including Vadim Nikulin from the Higher School of Economics, have demonstrated that long contraction of muscles in one hand increases involuntary ...

Andrée Marion, a 47-year-old accountant from St. Sauveur, Quebec, has mirror movements—involuntary motions on one side of her body that mirror voluntary ones on the other. When she does things that ...

A new class of brain cells -- mirror neurons -- are active both when people perform an action and when they watch it being performed. Some scientists speculate that a mirror system in people forms the ...