" phi phenomenon "

[Noun]  | "phi phenomenon" 

1: 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

Origin: circa 1928 ;

 Translation of German φ-Phänomen;

  * Note : The term was introduced by the psychologist Max Wertheimer (1880-1943, born in Prague, Austria-Hungary, in the U.S. from 1933) in "Experimentelle Studien über das Sehen von Bewegung," Zeitschrift für Psychologie und Physiologie der Sinnesorgane, 1. Abteilung, Zeitschrift für Psychologie, Band 61, Heft 1 (April, 1912), pp. 161-265.;