Color shifts from S-cone patterned backgrounds: contrast sensitivity and spatial frequency selectivity
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Updated: Aug 19, 2026

Visualizing Visual Adaptation
Published on: April 24, 2017
Steven K Shevell1, Patrick Monnier
1Department of Psychology, University of Chicago, 940 East 57th Street, Chicago, IL 60637, USA. shevell@uchicago.edu
Abstract:
Patterned backgrounds that selectively stimulate the S-cones cause conspicuous color shifts. These shifts are accounted for by an S-cone antagonistic (+S/-S) center-surround receptive field [Monnier, P., & Shevell, S. K. (2004). Chromatic induction from S-cone patterns. Vision Research, 44, 849-856]. The present study tested two additional implications of the S-cone receptive field for color shifts: (1) proportionality of the shifts with respect to S-cone contrast within the inducing pattern and (2) bandpass selectivity of the shifts with respect to the spatial frequency of the inducing pattern. Measurements showed that the magnitude of the color shift was linear with S-cone contrast and that the largest color shift was observed with inducing patterns at an intermediate spatial frequency. These results further support an S-cone spatially antagonistic receptive field as the neural substrate mediating the large color shifts from S-cone patterns.
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