phi-phenomenon

phi-phenomenon
/fuy"fi nom'euh non', -neuhn/, n., pl. phi-phenomena /-neuh/. Psychol.
motion perceived by a subject, esp. the illusion of movement produced when stationary stimuli, as pictures or lights, are presented in rapid succession and are sometimes in slightly different positions.
[1925-30]

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Universalium. 2010.

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