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Optical Illusions; Are They of Scientific Value or Just Ephemeral Entertainment?

January 28, 2009

Kanizsa TriangleWe’ve all had some fun with optical illusions, staring blankly at pictures for 5 minutes until a rabbit turns into a duck, or a Jackson Pollack style painting slowly morphs into a forest scene, or more often than not nothing happens at all and you’ve been gazing dumbly at a set of squiggly lines and splodges for God knows how long.

However do these optical illusions have any other value than brief entertainment? Can they be used to improve people’s perception?

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