Flicker fusion threshold
The flicker fusion threshold, critical flicker frequency (CFF) 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 average human observer. A traditional term for flicker fusion is "persistence of vision", but this has also been used to describe positive afterimages or motion blur. Although flicker can be detected for many waveforms representing time-variant fluctuations of intensity, it is conventionally, and most easily, studied in terms of sinusoidal modulation of intensity.
Flicker fusion threshold - Wikipedia Jump to content From Wikipedia, the free encyclopedia Concept in the psychophysics of vision The flicker fusion threshold , also known as critical flicker frequency , flicker modulation threshold , [ 1 ] 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 . The effect was traditionally called " persistence of vision ", but that term has also been used to describe positive afterimages and moti
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