Psych M.D. - Phi Phenomenon


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Term: phi phenomenon
Definition (Myers): An illusion of movement created when two or more adjacent lights blink on and off in succession
Definition (alternative):a perceptual illusion described by Max Wertheimer in his 1912 Experimental Studies on the Seeing of Motion, in which a disembodied perception of motion is produced by a succession of still images

Source: Wikipedia
Contextual explanation: The phi phenomenon is a simple illusion caused by a succession of still images being displayed. It is responsible for all movies that we see on TV or in the theaters. Whether it be from a camera or animation, the "moving pictures" we see on screen are actually a series of still pictures that only seem as if they are moving. When a series of still images, each with a slightly different position, is displayed, you will perceive the images to be in motion.
Related terms and concepts: perception, bottom-up processing
Psych M.D. - Phi Phenomenon - The NeuronPsych M.D. - Phi Phenomenon - The Neuron
Related websites:
http://www.yorku.ca/eye/balls.htm
http://www.philosophy.uncc.edu/faculty/Phi_Intro.html
http://everything2.com/e2node/phi%2520phenomenon
Edited by: Evelyn



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