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TED Talks: Beau Lotto Explains How Optical Illusions Show How We See

ByGood Morning America

October 11, 2011, 8:29 PM

Oct. 11, 2011 -- TED is a nonprofit organization devoted to Ideas Worth Spreading. At the TED conference, the world's leading thinkers and doers are asked to share a brilliant idea -- in 18 minutes. These talks are made available free online at TED.com.

ABC News is taking a deeper look into the remarkable work of TED speakers and their ideas, and featuring playlists of great TEDTalks on ABCNews.com.

Beau Lotto's color games puzzle your vision, but they also spotlight what you can't normally see: how your brain works. This fun, first-hand look at your own versatile sense of sight reveals how evolution tints your perception of what's really out there.

TED is a nonprofit organization devoted to Ideas Worth Spreading. Find 1,000+ more video available free at TED.com. Follow TED on Twitter at @TEDNEWS

Click here to learn more about TED.

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TED is a nonprofit organization devoted to Ideas Worth Spreading. Find 1,000+ more video available free at TED.com. Follow TED on Twitter at @TEDNEWS

Click here to learn more about TED.

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