Monday, October 21, 2013

Eye Optical Illusion

An optical 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 perception 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 such as brightness, color, size, position, tilt, movement, and cognitive illusions, the result of unconscious inferences.

http://www.youtube.com/watch?v=tVgOLWVYytM 

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