Titchener illusion

Titchener illusion

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Credit: SCIENCE PHOTO LIBRARY

Caption: Titchener illusion, computer artwork. The two red circles are actually the same size. However, the brain perceives that one is smaller or larger according to the sizes of the surrounding black circles. This illusion is named after the experimental psychologist Edward Bradford Titchener (1867-1927).

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Keywords: 1800s, 19th century, ambiguity, ambiguous, artwork, cgi, circle, circles, circular, comparable, comparative, comparison, computer artwork, digitally generated, edward bradford titchener, graphic, illustration, large, larger, many, multiple, neuroscience, optical illusion, perception, psychology, round, size, small, smaller, trickery vision, visual, visual trick

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