Which is bigger: >---<
April 30, 2016 7:55 PM Subscribe
Optical illusions are not universal, and the differences in how we perceive them can help us to understand cognition. The famous Müller-Lyer illusion is not universal, but differs by culture, with some African tribes unable to see the illusion at all - possibly because of differences in environment. Individuals with autism seem less sensitive to the Sheppard's table illusion, which might help improve an understanding of the condition. Differences in responses are possible because different illusions trick your brain in different ways. BBC has a great history of the evolution of optical illusions, and, finally, here are some auto-kinectic illusions, because they are awesome.
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