Allesthesia

/ælɛsˈθiːʒə/ noun

Definition

A neurological condition where sensations felt on one side of the body are perceived as occurring on the opposite side.

Etymology

From Greek allo- (other) and aisthesis (sensation, perception). The term was coined in medical literature to describe a specific type of sensory displacement or crossing.

Kelly Says

Imagine touching your left arm but your brain insists the sensation happened on your right—that's allesthesia, and it reveals how much your sense of where your body is exists entirely in your brain, not your skin.

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