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Illusion Chasers

Illusion Chasers

Illusions, Delusions, and Everyday Deceptions

The Stars in Your Eyes

Galileo saw celestial spheres spinning in space, but was dismayed by effects we now know arose in his brain: The same Jovian moon could appear small or big depending on whether it was dark or bright against its background. DaVinci and Helmholtz also suffered from similar delusions of grandeur, when viewing white objects versus black. We show some of brain’s illusions of brightness here, as companions to our new Illusions article in this month’s print edition of Scientific American MIND.

October 13, 2016 — Stephen L. Macknik

A New Look at Vision

A critical new discovery redefines the primary organizing principle of the visual cortex, and explains much of the illusory perception when we see light and dark stimuli

June 8, 2016 — Stephen L. Macknik

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