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Dancing spots before your eyes

eugie links to this cool illusion, and ponders whether it would be perceived differently by people with dyslexia and/or autism. I dunno but it was fun to look at. HOwever now I have pink dots dancing in front of my eyes.

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captainlucy
May. 21st, 2006 04:26 pm (UTC)
Excellent illusion. Itwould be interesting to see if dyslexia and/or autism had an effect; also, would it work so well on peple with red-deficiency colour blindness?

Perfectly logical biological explanation behind it. Our eyes have developed to detect our environments to keep us alerted not only to the presence of food but also to the threat of predators, therefore we are programmed to see moving things more easily than stationary ones, especailly in our peripheral vision, which this illusion stimulates. Hence we forget about the unimportant things (the pink dots) and concentrate solely on what our brain determines as the moving target, the blank space which our periphery vision translates as a moving green dot.

If you actively concentrate hard, you can maintain a vague impression of the pink dots long after the time your unfocussed mind would have lost sight of them - the power of the conscious mind overriding the sub-conscious.

:)

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