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Can You See Your Brain Waves in This Optical Illusion?

A new paper in the Journal of Neuroscience claims that the relatively simple optical illusion pictured above can reflect brain alpha waves. 

Here's what you need to do. Find a "sweet spot" by staring at the center of the wheel. Hold your stare for one minute, and then look at a white wall. What do you see?

(h/t Neuroskeptic)


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