Adelson's Checker-Shadow Illusion


Move mouse pointer over checkerboard to see that squares A and B are the same shade of gray.

Adelson's Checker-Shadow illusion

Back to Illusions
See Adelson's Illusions and Discussion for more information.
and Why We See What We Do
Also see Craik-O'Brien-Cornsweet Illusion for a similar illusion.

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Revised: December 28, 2007