Our pick of the best optical illusions of all time will leave you amazed and confused in equal measure.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Illusions like these mess ...

While new optical illusions go viral all the time, here are some of the most famous illusions that have kept us scratching our heads for years.

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 ...

An optical illusion is a visual phenomenon where our perception of thinking about an image differs from objective reality. This image is seen as a high-contrast black-and-white optical illusion made ...

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 ...

In this Ebbinghaus illusion of relative size perception, the orange circle on the left looks bigger than the one on the right - but it is actually 10 per cent smaller. In a new study, medical imaging ...

Preface: The Formation of a Panoramaniac -- Introduction: Moving Panorama-a Missing Medium -- The Incubation Era: Antecedents and Anticipations -- Large as Life, and Moving: The Peristrephic Panorama ...

An optical illusion personality test reveals your current nervous system state by asking if you see a bird or a cage first.

Optical illusion reveals key brain rule that governs consciousness 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 ...

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