a demo of the scintillating grid illusion Schrauf, M., Lingelbach, B., & Wist, E.R. (1997). The scintillating grid illusion. Vision Research, 37, 1033-1038.pic.twitter.com/5vOec231SL
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Oh, good. I mean, I was sitting in a dimmed down room and didn't expect that effect so strong
Great account, wonderful 
Oh. Thanks. Hard to see on a phone and with my eyesight
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