Prosopometamorphopsia: disorder that transforms faces into animal snouts

Prosopometamorphopsia is a rare neurological disorder in which patients perceive human faces as distorted or transformed into animal snouts. A case from 1986 involved a woman after a stroke in her right posterior cerebral artery: 9 months later, riding a bus, she saw that all passengers had a poodle's snout instead of a face.

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