Are you old enough to remember the “Magic Eye” optical illusion mania that gripped the nation in the 90’s—random patterns that you had to squint at just right for the 3D image to pop out? It turns out ...

The Best Illusion of the Year contest offers researchers, and participants, an opportunity to explore the gaps and limits of human perception. By Katrina Miller Take a look at this video of a waiting ...

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 ...

When I was in high school, my friend switched sodas on me one day. I thought I was taking a swig of Coca Cola, but he had replaced it with cream soda. I immediately spit it out, thinking it tasted ...

Optical illusions are great fun, and they fool virtually everyone. But have you ever wondered if you could train yourself to unsee these illusions? Our latest research suggests that you can. Optical ...

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 ...

An optical Illusion is a visual trick where our eyes and brain perceive different images from reality. These illusions are a type of visual puzzle in which these puzzles creates a misleading effect on ...