Wordで作ってみたよ。これは何錯視???pic.twitter.com/ywkIyhKRLE
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Kitaoka, A., Pinna, B., and Brelstaff, G. (2004). Contrast polarities determine the direction of Café Wall tilts. Perception, 33, 11-20.pic.twitter.com/hXIprDaVwi
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