@article{ref1,
title="Contrast discrimination: second responses reveal the relationship between the mean and variance of visual signals",
journal="Vision research",
year="2007",
author="Solomon, Joshua A.",
volume="47",
number="26",
pages="3247-3258",
abstract="To explain the relationship between first- and second-response accuracies in a detection experiment, Swets, Tanner, and Birdsall [Swets, J., Tanner, W. P., Jr.,&Birdsall, T. G. (1961). Decision processes in perception. Psychological Review, 68, 301-340] proposed that the variance of visual signals increased with their means. However, both a low threshold and intrinsic uncertainty produce similar relationships. I measured the relationship between first- and second-response accuracies for suprathreshold contrast discrimination, which is thought to be unaffected by sensory thresholds and intrinsic uncertainty. The results are consistent with a slowly increasing variance.<p /> <p>Language: en</p>",
language="en",
issn="0042-6989",
doi="10.1016/j.visres.2007.09.006",
url="http://dx.doi.org/10.1016/j.visres.2007.09.006"
}