A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism that appears to change shape when... Optical illusions are a brain feature, not a bug. Here's ...

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 ...

Allen Institute researcher Jerome Lecoq points to one of the diagrams that was used in a study focusing on how the brain interprets optical illusions. (Allen Institute Photo / Erik Dinnel) Our brains ...

Think you can trust your eyes? Think again. What feels undeniable at first glance is sometimes a surprise, an illusion, or an invisible trick. Ordinary images, patterns, and shapes are windows into ...

A study of mice starts to unravel how the brain gets tricked by this kind of optical illusion, and it gives clues about how visual perception works. Optical illusions play on the brain's biases, ...

Optical illusions may make you feel like a fool, but you could be able to train your brain to resist them. “It is very likely that people from the general population have the capacity to be trained to ...

Studies show that your brain doesn’t perceive the world exactly as it is. Instead, it “fills in gaps in perception.” The first layer of your brain’s primary visual cortex helps to decide what reality ...

Optical illusions have long fascinated the human mind, not only for their mysterious visuals but also for their ability to challenge our perception, attention to detail, and vision. In today’s optical ...

A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism which appear to change shape when viewed from three different directions. Those are the top ...