Why do visual illusions occur? - Mark Changizi

from TED-Ed · host TED-Ed

View full lesson: http://ed.ted.com/lessons/why-do-we-see-illusions-mark-changiziWhy can't our extremely complex eyes render simple optical illusions? Surprise, surprise -- it comes back to the brain, which has only evolved to encounter natural stimuli. At TEDYouth 2012, Mark Changizi explains how the brain reckons with optical illusions.Talk by Mark Changizi. Learn more about your ad choices. Visit megaphone.fm/adchoices

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Why do visual illusions occur? - Mark Changizi

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