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The flicker fusion threshold, also known as critical flicker frequency or flicker fusion rate, is the frequency at which a flickering light appears steady to the average human observer. It is a concept studied in vision science , more specifically in the psychophysics of visual perception .
Flicker perception. Binocular summation can increase the critical flicker fusion rate (CFF) which is the highest perceivable flicker rate before the image appears continuous. The CFF is increased when both eyes see the same flicker, and it is decreased when the flicker for one eye is out of phase with the other.
An internet version of the CDR system is available using keyboard commands to measure responses. Ancillary equipment is used for specific cognitive tests such as a postural stability (sway) meter, a critical flicker fusion device or joysticks for CDR's tracking test.
From Wikipedia, the free encyclopedia. Redirect page. Redirect to: Flicker fusion threshold
The classic papers on human critical flicker fusion frequency are from Seelig Hecht and co-workers in the 1930's. ... (Brightness) Flicker fusion threshold. The ...
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Flicker fusion thresholds decline towards the periphery, but do that at a lower rate than other visual functions; so the periphery has a relative advantage at noticing flicker. [1] Peripheral vision is also relatively good at detecting motion (a feature of Magno cells).