Our eyes can frequently play tricks on us, but scientists have discovered that some artificial intelligence can fall for the ...

Optical illusions are more than visual tricks — they expose how the human brain interprets reality. In certain cases, the ...

This optical illusion will test your brain's ability to zone out while looking at repetitive patterns. Can you find the ...

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 ...

How good is your mental speed at observing hidden details? Solve this optical illusion to find out! Only if you are visually ...

A hidden dog optical illusion shared on Reddit puzzled users.

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 ...

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 ...

Optical illusions designed to challenge perception test perspective and depth cues.