Mona Lisa’s Puzzling Smile and Other Brain Tricks (Wall Street Journal)

The laboratory directors at the Barrow Neurological Institute in Phoenix, which studies the various aspects of visual, sensory and cognitive neuroscience, have unlocked the mystery of Mona Lisa’s smile and explain the secrets of other illusions in their book, Sleights of Mind: What the Neuroscience of Magic Reveals About Our Everyday Deceptions (Henry Holt, 2010).

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