PHI PHENOMENON

1. an illusion of obvious motion observed whenever two lights flash off and on about 150 m apart from one another. The light seems to progress from one locale to the other. The is a type of beta movement. 2. a feeling of pure motion separate of any other traits of the stimulant, like its form.

PHI PHENOMENON: "The phi phenomenon is a common optical illusion presented on many math and science examinations."
Cite this page: N., Pam M.S., "PHI PHENOMENON," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/phi-phenomenon/ (accessed July 6, 2020).
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