Every illusion has a backstage crew. New research shows the brain’s own “puppet strings”—special neurons that quietly tug our perception—help us see edges and shapes that don’t actually exist. When ...

A growing body of neuroimaging research is pinpointing exactly how psychedelic drugs hijack the brain’s visual system to ...

Optical illusions are powerful mind games that reveal how our brains process visual information. Your brain isn't just a camera capturing reality—it constantly interprets, filters, and reconstructs ...

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 ...

Most people use the terms “optical illusion” and “visual illusion” interchangeably, much like “fluid” and “liquid” or “sofa” and “couch” are synonyms. At first glance, this might be seemingly pedantic ...

Look closely at the repeated 917 numbers and identify the two odd ones before 19 seconds run out. This optical illusion is designed to test focus, pattern recognition, and mental agility.

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 ...

An optical illusion is dividing the internet over whether the picture is of pink slime or three forks laid out on a hot pink dish towel — and it’s making people’s brains hurt. Deemed as the “black and ...