phi phenomenon

noun

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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The first known use of phi phenomenon was circa 1928

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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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