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 ...

Before jumping on in we have one question on our minds: what is an optical illusion? Optical illusions are visuals that tend to be deceptive to the eye and brain. This is based on numerous factors ...

How optical illusions work has been long-debated among scientists and philosophers, who wonder whether these illusions stem from neural processing in the eye or involve higher-level cognitive ...

A colorful optical illusion has divided social media users once more as people debate which animal is actually displayed in the unfinished drawing. The viral graphic features a blue, purple and green ...

Your brain is lying to you right now. Not maliciously, and not because something’s wrong with it. It’s doing exactly what evolution designed it to do, making split-second decisions about the world ...

This nauseating illusion isn’t as black and white as you think. At first glance, it appears to have stacked lines of black and white boxes that are off-center, making the lines seem wavy and bendy.

PROVIDENCE, R.I. [Brown University] -- Is that circle green or gray? Are the center lines straight or tilted? Optical illusions can be fun to experience and debate, but understanding how human brains ...

Human vision is an extraordinary facility. Although it evolved in specific environments over many millions of years, it is capable of tasks that early visual systems never experienced. Reading is a ...

Today I learned that scientists study optical illusions. I always thought they were just for fun. A team of psychologists studied variations of this “expanding hole” illusion to determine what effects ...

Optical illusions can be fun to experience and debate, but understanding how human brains perceive these different phenomena remains an active area of scientific research. For one class of optical ...