Uncertainty, the inability to know or to make use of information regarding the parameters of a luminance stimulus to be detected, is herein shown by simulation to (1) steepen the frequency-of-seeing curve and (2) cause psychophysical estimates of quantum efficiency to be too low.
© 1981 Optical Society of America
Theodore E. Cohn, "Absolute threshold: analysis in terms of uncertainty," J. Opt. Soc. Am. 71, 783-785 (1981)