I’ve just found this fascinating case study in American Journal of Physical Medicine and Rehabilitation about a man who lost conscious control over one of his hands after brain injury and suffered involuntary public masturbation episodes as a result.
Involuntary masturbation as a manifestation of stroke-related alien hand syndrome
Ong Hai BG, Odderson
Am J Phys Med Rehabil. 2000 Jul-Aug;79(4):395-8.
Alien hand syndrome is a perplexing and uncommon clinical diagnosis. We report an unusual manifestation of alien hand syndrome in a 73-yr-old man with a right anterior cerebral artery infarct affecting the right medial frontal cortex and the anterior portion of the corpus callosum. We conclude that alien hand syndrome should be considered in patients who present with a feeling of alienation of one or both upper limbs accompanied by complex purposeful involuntary movement.
We tend to think of the cognitive impairments after brain injury as the most disabling…
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