Meanings
plural prosopometamorphopsias · abbreviation PMO
- medicineA rare neurovisual perceptual disorder characterized by distorted perception of human faces, in which facial features may appear altered in size, shape, position, or configuration despite intact visual input. It is typically associated with dysfunction in cortical regions involved in face processing, particularly in the occipitotemporal visual pathway.
Synonyms: demon face syndrome
Synonyms & antonyms
nounA rare neurovisual perceptual disorder characterized by distorted perception of human faces, in which facial features may appear altered in size, shape, position, or configuration despite intact visual input. It is typically associated with dysfunction in cortical regions involved in face processing, particularly in the occipitotemporal visual pathway.
Origin
From prosopo- + metamorphopsia. The term was first used in 1953 by British neurologist MacDonald Critchley.
Full word history & related roots →Cite this entry
prosopometamorphopsia. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/prosopometamorphopsia
“prosopometamorphopsia.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/prosopometamorphopsia. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “prosopometamorphopsia,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/prosopometamorphopsia.
Source: prosopometamorphopsia on Wiktionary, CC BY-SA 4.0.