Optical illusions aren’t just fun internet puzzles—they’re windows into how our brains construct reality. New research shows ...

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.

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 ...

Ah, the power of the viral Internet. Yesterday it was llamas on the l(l)oose and today it's #TheDress. David Maynard, Ph.D., a color vision expert and psychology professor at the University of ...

What a pretty pastel image. You’re seeing circles of several different colors, right? Actually, your eyes and your brain are deceiving you. All the dots are the same color, but are perceived by your ...

Recently, a new optical illusion sent the internet into a tizzy. In this, a group of elephants were arranged in a circle. While on first look, they all looked to be blue-purple in color (or rather ...

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 ...

So I've read in more than a few places that color doesn't exist outside our heads, it's just wavelengths of light. That our brains are the things that make color, same with sound (which is just ...