Perception researchers have discovered many illusions where context affects perceived size and distance. A great example of this is the Ponzo illusion (reviewed in an earlier blog post). The Ponzo ...

Have you ever looked at an image and doubted what your eyes were telling you? Well, you are not the only one because such optical illusions commonly take place when your brain wrongly interprets what ...

Fooled by an optical illusion? You're not the only one. Learn how these illusions can fool AI, too.

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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 ...

Research shows that a certain kind of visual illusion, neon color spreading, works on mice. The study is also the first to combine the use of two investigative techniques called electrophysiology and ...

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

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 ...

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...