Finding hidden images in optical illusions is an effective mental exercise that challenges your cognitive functions while ...

Lightness perception, the visual system’s ability to maintain a stable representation of surface reflectance despite varying illumination, has long intrigued researchers. Central to this field is the ...

Optical illusions to find the hidden objects and numbers are effective at revealing your brainpower and visual IQ. How sharp ...

An Optical Illusion is a fun way to challenge our minds to think out-of the box. It requires deep visualisation to think and ...

A hidden dog optical illusion shared on Reddit puzzled users.

An Optical Illusion is a type of puzzle that requires cognitive skills, a high IQ, and keen visual perception. As per ...

The study of visual illusions in animals provides a compelling window into both the evolutionary continuity and diversity of perceptual processes. Research indicates that many species, from domestic ...

New York — At the Museum of Illusions in New York City, around every corner is a wonder for the eyes. There's a vase that's a face, art that moves with you, and a room that seems to go on forever.

The famous Ebbinghaus illusion, named for its discoverer, the German psychologist Hermann Ebbinghaus (1850–1909). Despite appearances, the two orange circles are the same size. Have you ever looked at ...

Psychologists have long been interested in how people interpret ambiguous, bistable images, such as the examples below. Bistable images. Top left: faces or a vase. Top right: rabbit or duck. Bottom ...