critical flicker frequency

critical flicker frequency
critical fusion frequency the number of flashes per second at which a flickering light just appears to be continuous; see also flicker.

Medical dictionary. 2011.

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  • critical flicker frequency — noun or critical fusion frequency : the threshold at which light from an intermittent source is seen half the time as flickering and half the time as fused or continuous …   Useful english dictionary

  • critical fusion frequency — noun see critical flicker frequency …   Useful english dictionary

  • Critical fusion frequency — is the rate at which stimuli can be presented and still be perceived as a separate stimuli. Stimuli presented at a higher rate than CFF are perceived as continuous stimuli. Motion pictures move because the frames are presented at an higher rate… …   Wikipedia

  • flicker fusion threshold — critical fusion frequency …   Medical dictionary

  • Flicker fusion threshold — The flicker fusion threshold (or flicker fusion rate) is a concept in the psychophysics of vision. It is defined as the frequency at which an intermittent light stimulus appears to be completely steady to the observer (this article centers around …   Wikipedia

  • flicker — The visual sensation caused by stimulation of the retina by a series of intermittent light flashes occurring at a certain rate. SEE ALSO: f. fusion, critical f. fusion frequency. * * * flick·er flik ər …   Medical dictionary

  • frequency — The number of regular recurrences in a given time, e.g., heartbeats, sound vibrations. [L. frequens, repeated, often, constant] best f. SYN: characteristic f.. characteristic f. f. at which a given neuron responds to the least sound intensity.… …   Medical dictionary

  • fusion frequency — noun : critical flicker frequency …   Useful english dictionary

  • movement perception — ▪ process Introduction       process through which humans and other animals orient themselves to their own or others physical movements. Most animals, including humans, move in search of food that itself often moves; they move to avoid predators… …   Universalium

  • КРИТИЧЕСКАЯ ЧАСТОТА СЛИЯНИЯ МЕЛЬКАНИЙ — (сокр. КЧСМ; critical flicker frequency, или critical fusion frequency, CFF) пороговая частота, выше которой стационарный мелькающий свет не воспринимается как мелькающий (становится неотличимым от непрерывно включенного света). Зависит от… …   Большая психологическая энциклопедия

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