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The brain and illusions
What can illusions teach us about the brain?
Curated by Gerald Carey
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ScienceShot: Brightness Is in the Eye of the Beholder - ScienceNOW

ScienceShot: Brightness Is in the Eye of the Beholder - ScienceNOW | The brain and illusions | Scoop.it

Stare into a camera's flash or walk into the sunlight after watching a movie, and your pupils will contract. But will the same thing happen if you just look at an image of a bright object?

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Pupils constrict at the thought of brightness - life - 23 January 2012 - New Scientist

Pupils constrict at the thought of brightness - life - 23 January 2012 - New Scientist | The brain and illusions | Scoop.it
Optical illusions designed to seem brighter than they are make your pupils constrict, suggesting we have evolved systems for anticipating dazzling light...
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