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Optical Illusion – Is Seeing Really Believing?


An optical illusion (also called a visual illusion) is characterized by visually perceived images that differ from objective reality. The information gathered by the eye is processed in the brain to give a percept that does not tally with a physical measurement of the stimulus source. There are three main types: literal optical illusions that create images that are different from the objects that make them, physiological ones that are the effects on the eyes and brain of excessive stimulation of a specific type (brightness, tilt, color, movement), and cognitive illusions where the eye and brain make unconscious inferences. They can also be known as “mind games”.


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This entry was posted by CV on Sunday, July 25th, 2010 at 7:54 pm and is filed under Cool. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

3 Comments

  1. John says:

    ok now ive seen that before . . . . . . if you have played the game Guitar Hero, when you are done with a song after starring at the fretboard and look away from the television you will see an optical illusion that looks like the wall or what ever you are looking at is imploding.

    Cool stuff though

    John

  2. K9 says:

    Woah,I saw that a small part of the planet moved!Like pushed,if it was a squeezy ball,hehe.

  3. rebecca says:

    wow!! the whole moon was moving! that was wicked!

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