4 checked facts

Vision

Everything on this site about vision — each one naming the study behind it.

Your brain ignores facial details when a face is upside down.
The Thatcher effect causes inverted faces to appear normal despite grotesque distortions in the eyes and mouth.…
You hear sounds differently based on lip movement.
In a 1976 study, participants reported hearing 'da' when a speaker’s mouth showed 'ga' but the audio played 'ba'.…
You remember more of a scene than you actually saw.
When you look at an image, your brain 'fills in' the area surrounding the borders.…
Individuals appear more attractive when surrounded by a group.
The cheerleader effect is a perceptual bias where a person is rated as slightly more attractive in a group than in iso…