Over 50% of the cortex, the large outer layer of the brain, is devoted to vision.  Optical illusions illustrate that the mind makes assumptions about the world – it is the final arbiter of what the eyes see.  This gifographic covers optical illusions from primitive forms starting with the Ancient Greeks in 350BC, to 21st century illusions in the field of theoretical neurobiology.

optical illusion gif how our eyes trick our minds

Gifographic provided by Jon Munro at Super Saver Opticians

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