Akiyoshi Kitaoka's Rotating Snake Illusions (IMAGE)
Caption
People perceive clockwise or counter-clockwise motion depending on color alignment. Negative controls (non-illusions) for which people perceive no motion are presented in the right panel. To experience stronger illusory motion perception, please refer to "Akiyoshi's illusion pages." http://www.ritsumei.ac.jp/~akitaoka/index-e.html
Credit
Akiyoshi Kitaoka
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