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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 .
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.
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.
If the modulation frequency is below the flicker fusion threshold and if the magnitude of the TLM exceeds a certain level, then such TLMs are perceived as flicker. Light modulations with modulation frequencies beyond the flicker fusion threshold are not directly perceived, but illusions in the form of stroboscopic effect may become visible ...
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Running the numbers before the first 2.2 MJ fusion test, NIF scientists projected the energy yield could hit around 10 MJ, three times more than the previous year’s shot had produced—assuming ...
8: hecht s, verrijp cd. intermittent stimulation by light : iii. the relation between intensity and critical fusion frequency for different retinal locations. j gen physiol. 1933 nov 20;17(2):251-68. 9: hecht s, shlaer s, verrijp cd. intermittent stimulation by light : ii. the measurement of critical fusion frequency for the human eye.
Critical flicker fusion frequency; ... Flicker (light) Flicker fusion threshold; ... Minnesota Paper Form Board Test; Monocular rivalry;