Alien Hand Syndrome: A neurological disorder characterised by involuntary and autonomous limb movements accompanied by a loss of regard or ownership of the limb.

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The alien hand syndrome, as originally defined, was used to describe cases involving anterior corpus callosal lesions producing involuntary movement and a concomitant inability to distinguish the ...

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Hand vs Hand: The Strange World of Alien Limb A 55-year-old man presents with alien hand syndrome, his left hand involuntarily opposing every action of his right after an acute splenium stroke.