Optical illusions are like mini brain tests that are designed to challenge your perception, observation, and visual ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Illusions like these mess with the brain's visual processing system, making viewers see things ...

Hidden letter and number optical illusions are fun because they look easy at first. But once the timer starts, the brain ...

Optical illusions like this one to find a hidden number exploit your visual processing system and brain's ability to make assumptions in the absence of complete information. But if you possess sharp ...

Optical illusions have gained a lot of popularity recently, as they get our brain to exercise, and can be the perfect test of ...

A challenging puzzle will put your perception to the ultimate test with a tricky winter optical illusion. Puzzles are a ...

Our brains create false perceptions through these illusions, which make us see things that do not exist while they distort ...

Featuring a blurry image of abstract yellows, oranges, purples and blues, this optical illusion appears pretty plain. It's ...

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 ...

Optical illusions play on the brain's biases, tricking it into perceiving images differently than how they really are. And now, in mice, scientists have harnessed an optical illusion to reveal hidden ...

You might not like to think so but it's amazing how easily your brain can be manipulated. Either tricked into believing it's seeing something that isn't there or unable to distinguish two images from ...