Join Josh, Gabbie, and Oli from the Jolly series as they react to mind-bending optical illusions and visual puzzles! Watch ...

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

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

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.

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 ...

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 ...

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Duping a guppy is easier than duping a ring dove — at least when it comes to a classic optical illusion. In the Ebbinghaus illusion, two identical circles placed side by side are each framed by a set ...