Adelson’s Amazing Optical Illusion

I saw this optical illusion today and was absolutely amazed at my brain’s reaction. Look at the drawing below. Which square is darker, square A or square B? Incredibly, the answer is that squares A and B are the same color, but your brain perceives them to be different based on surrounding color and shadow [...]

Tags: , , , ,
Posted August 10, 2010 by Karen Merzenich under Neuroscience, Odds and Ends