Seeing is believing?

7 trippy optical illusions that reveal how your brain perceives reality

Things aren’t always how they appear.

by Jennifer Walter
Updated: 
Originally Published: 
Blue rolls illusion
Akiyoshi Kitaoka

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If there’s one thing optical illusions can teach us, it’s that we can’t always believe our eyes.

The clever tricks that illusions play on our brains help unravel how we perceive the world.

They’re not just fun to look at, but researchers often make and study new illusions to better understand human perception.

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