This optical illusion asks viewers to stare at a black X inside a blue circle without blinking. The idea is to tire out the ...

A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image created by the UK contact lens vendor Lenstore, a series of lilac letters ...

This illusion asks viewers to stare at a blue eye in the center of a colored image. After a short countdown, the image ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Illusions like these mess ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: rastroboy via ...

Have you ever looked at something, only to realize it was something completely different? That's the power of optical illusions: they trick our brain using color, light, and patterns.😵‍💫 🤯 We've ...

While new optical illusions go viral all the time, here are some of the most famous illusions that have kept us scratching our heads for years.

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 ...

Perception researchers have long known about the structural and functional features that differentiate our central vision from our peripheral vision. The central (or foveal) region of our retinas are ...

Everyone loves an optical illusion — even if they leave us completely stumped — and they're all around us in the natural world. From an underwater waterfall in the Indian Ocean to a surrealist scene ...