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In Latin, illudere means to mock or trick, which is the origin of the word illusion.

To give us a sensory experience, our brain fills in information gaps from the eyes. We call it perception.

Optical illusion pictures are one of the easiest brain attention tests.

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Optical illusion pictures have also been used by neuroscientists to study reality perception.

Practicing optical illusion puzzles may improve problem-solving and lateral thinking.

Enjoy this optical illusion challenge? Share it with family and friends to see who solves it fastest.

Try more challenges from our recommended reading before leaving.

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