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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 29, Iss. 2 — Feb. 1, 2012
  • pp: A44–A51

Color appearance at ±10° along the vertical and horizontal meridians

Vicki J. Volbrecht and Janice L. Nerger  »View Author Affiliations


JOSA A, Vol. 29, Issue 2, pp. A44-A51 (2012)
http://dx.doi.org/10.1364/JOSAA.29.000A44


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Abstract

Hue-scaling data were collected from three observers using the “4+1” color-naming procedure for circular (0.25°–5°), monochromatic (440–660 nm) stimuli. Stimuli were presented at ±10° along the vertical and horizontal meridians under conditions chosen to include both rod and cone signals (no bleach) and to minimize rod contribution (bleach). All color-naming data were analyzed and compared using uniform appearance diagrams. Smaller stimuli appear more desaturated under both bleach conditions. This effect is particularly detrimental for the perception of green and is influenced by retinal location and exacerbated with rod input. As stimulus size increases and perceptive field sizes are filled for all four elemental hues, the differences in hue perception among the four peripheral locations and the two bleach conditions are attenuated. Results are consistent with predictions based on known differences in the underlying retinal mosaic among the four locations.

© 2012 Optical Society of America

OCIS Codes
(330.0330) Vision, color, and visual optics : Vision, color, and visual optics
(330.1720) Vision, color, and visual optics : Color vision
(330.5020) Vision, color, and visual optics : Perception psychology

ToC Category:
Mesopic and peripheral color vision

History
Original Manuscript: August 25, 2011
Manuscript Accepted: November 6, 2011
Published: January 13, 2012

Virtual Issues
Vol. 7, Iss. 4 Virtual Journal for Biomedical Optics

Citation
Vicki J. Volbrecht and Janice L. Nerger, "Color appearance at ±10° along the vertical and horizontal meridians," J. Opt. Soc. Am. A 29, A44-A51 (2012)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-29-2-A44

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