Both rings rotate counterclockwise at the same velocity, but the right one appears to rotate counterclockwise whereas the left one appears to rotate counterclockwise more slowly (in the central vision) or to rotate clockwise (in the peripheral vision).pic.twitter.com/vcKVxul31Q
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Replying to @AkiyoshiKitaoka @ashalynd
Interesting. Once I see the left one rotating clockwise, I can't seem to unsee it again, whether with central or peripheral vision.
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Replying to @davenicolette @AkiyoshiKitaoka
It might be related to left / right brain?
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