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Optical Illusions
Explore optical illusions and visual perception, examining how light, contrast, context and the brain shape what we see.

EDITOR’S PICK
The Optical Illusions That Reveal How Your Brain Constructs Reality
Discover why optical illusions work and what brightness, motion, contour and ambiguous images reveal about the brain’s construction of vision.
Sep 12, 2026 • 13 min readRead the discovery →LATEST
Latest discoveries
New stories, explanations and research from Optical Illusions.