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Definition of phi phenomenon
: apparent motion resulting from an orderly sequence of stimuli (such as lights flashed in rapid succession a short distance apart on a sign) without any actual motion being presented to the eye
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phi phenomenon
noun\ ˈfī- 
\
\Medical Definition of phi phenomenon
: apparent motion resulting from an orderly sequence of stimuli (as lights flashed in rapid succession a short distance apart on a sign) without any actual motion being presented to the eye — compare apparent motion
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Time Traveler for phi phenomenon
The first known use of phi phenomenon was circa 1928
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