Unilateral neglect or alien hand syndrome? A diagnostic challenge

Alien hand sign or alien hand syndrome?

The alien hand syndrome: What makes the alien hand alien?

The alien hand syndrome is a deeply puzzling phenomenon in which brain-damaged patients experience their limb performing seemingly purposeful acts without their intention. Furthermore, the limb may interfere with the actions of their normal limb. We report a case of alien hand syndrome following a left medial frontal and corpus callosum ischemic lesion. From our clinical observations and the pa...

Alien hand syndrome.

A 47-year-old right-handed man presented with sudden onset of left-sided weakness and incoordination of his left hand. The patient stated that he was not able to operate his left hand appropriately (video E-1). On examination, he had mild weakness in his left arm and leg. When asked to perform tasks with his right hand, his left hand would imitate the other (video E-2). An MRI showed acute isch...

Sensory alien hand syndrome

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Alien hand syndrome.

In Stanley Kubrick's movie Dr Strangelove, the main character is described as "erratic" and displays a bizarre movement disorder. His right hand seems to be driven by a will of its own, at times clutching his own throat and at other times raising into a Nazi salute. Dr Strangelove must try to restrain this wayward limb with his left hand. Bizarre as this fictional character is, a similar moveme...