Video: “Your Brain Is Badly Wired – Enjoy It!”

Lately I have been really interested in brain tricks, brain teasers, and optical illusions. I had the chance to work on the expanded brain teasers section of our newly re-launched Posit Science website, which introduced me to a whole host of terrific illusions and tricks. My work on that led me to this funny and [...]

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Posted September 30, 2010 by Karen Merzenich under Neuroscience

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 [...]

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