Prosopometamorphopsia (PMO), first detected in the 1900s, is a brain condition that morphs human faces into something else.

Victor Sharrah feels like he’s seeing monsters everywhere due to a frightening, ultra-rare condition that causes everyone to look like they have an evil smile, per a study published in &#8220… ...

Rare 'demon face' syndrome patient sees faces normally on paper, but not in life The patient helped scientists illustrate what those with the syndrome really see 'Fewer than 100 cases' have been ...

Computer-generated images give an idea of what a person living with “demon face” syndrome might see when they look at someone. Prosopometamorphopsia (PMO) is an extremely rare visual disorder that ...