Bullseye illusion

Bullseye illusion

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This image is part of the feature Illusions

Credit: SCIENCE PHOTO LIBRARY

Caption: Bullseye illusion. The blue shaded area in the centre of the circle appears larger than the blue perimeter area. In fact they are the same area. This is easily proven by calculation. This shows that the brain is better able to judge area when it is displayed compactly.

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Keywords: bullseye illusion, circle, circular, equal area, illusions, illusory, neuroscience, optical illusion, round, trick, vision, visual

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