A Japanese psychologist has stumped the internet with his latest optical illusion. Akiyoshi Kitaoka, a psychology professor at Ritsumeikan University in Japan, shared a video of a piece of paper with ...

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 ...

As we’ve learned time and again with optical illusions like the infamous white and gold dress (or was it black and blue?) and the confetti circles, the human brain isn’t always an objective judge when ...

A blue glare illusion was perceived to be brightest and caused larger pupil constriction The Department of Computer Science and Engineering at Toyohashi University of Technology formed a research team ...

An image featuring small, connected gray squares appears to move right before your eyes, but the figures on the screen are actually static - you see them as shifting because your brain is being ...

Have a look at this image. Do you perceive that the central black hole is expanding, as if you’re moving into a dark environment, or falling into a hole? If so, you’re not alone: a new study shows ...