A 58-year-old man with a rare medical condition sees faces normally on screens and paper, but in person, they take on a demonic quality. The patient has a unique case of prosopometamorphopsia (PMO), a ...

For 59-year-old Victor Sharrah, the terrifying symptoms began on a winter day in Nashville. “I just woke up and was sitting on the couch watching TV when my roommate came into the room, and (looking ...

In our lifetimes, we encounter hundreds of thousands of faces. Each person's unique exposure to faces largely determines their "face space"—a model of how we encode, perceive, and remember the faces ...

Imagine if every time you saw a face, it appeared distorted. Well, for those who have a very rare condition known as prosopometamorphopsia (PMO), which causes facial features to appear distorted, that ...

What Is Demon Face Syndrome? Demon face syndrome, or prosopometamorphopsia, is a rare brain disorder that affects how a person sees faces. If you have this condition, other people’s features might ...

Imagine if every time you saw a face, it appeared distorted. Well, for those who have a very rare condition known as prosopometamorphopsia (PMO), which causes facial features to appear distorted, that ...

Computer-generated images of the distortions of a male face (top) and female face (bottom), as perceived by the patient in the study. Imagine if every time you saw a face, it appeared distorted. Well, ...