[Study of the Stevens exponential function for brightness perception].
Study of the brightness scaling function within the range from 2.10(-2) to 3.5.10(3) lk revealed that the total curve of brightness estimation was not exactly Stevens power function within this range: the exponent's value and its deviation was variable in different light regions. Presumably, the luminance's region with minimal value of exponent is the most information for brightness perception. There seems to exist a certain interrelationship between both Veber--Fechner's and Stevens' laws.
D000293:Adolescent; D000328:Adult; D006801:Humans; D011601:Psychophysics; D014796:Visual Perception / Q000502:physiology*
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