Prosopometamorphopsia. Prosopometamorphopsia (pm) is the visual distortion of face perception, which is generally accompanied by other types of visual illusions. Prosopometamorphopsia is a visual disorder characterized by altered perceptions of faces.
The patient also reported amnesia and alexia. We here review 81 cases (eight new ones and 73 cases published over the past century) to shed light on the perception of face gestalts.