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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. 31, Iss. 4 — Apr. 1, 2014
  • pp: A7–A14

Effect of rod–cone interactions on mesopic visual performance mediated by chromatic and luminance pathways

Andrew J. Zele, Michelle L. Maynard, Daniel S. Joyce, and Dingcai Cao  »View Author Affiliations


JOSA A, Vol. 31, Issue 4, pp. A7-A14 (2014)
http://dx.doi.org/10.1364/JOSAA.31.0000A7


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Abstract

We studied the effect of rod–cone interactions on mesopic visual reaction time (RT). Rod and cone photoreceptor excitations were independently controlled using a four-primary photostimulator. It was observed that (1) lateral rod–cone interactions increase the cone-mediated RTs; (2) the rod–cone interactions are strongest when rod sensitivity is maximal in a dark surround, but weaker with increased rod activity in a light surround; and (3) the presence of a dark surround nonselectively increased the mean and variability of chromatic (+L-M, S-cone) and luminance (L+M+S) RTs independent of the level of rod activity. The results demonstrate that lateral rod–cone interactions must be considered when deriving mesopic luminous efficiency using RT.

© 2013 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
(330.5510) Vision, color, and visual optics : Psychophysics

ToC Category:
Mesopic and peripheral vision

History
Original Manuscript: September 19, 2013
Revised Manuscript: November 10, 2013
Manuscript Accepted: November 11, 2013
Published: December 19, 2013

Virtual Issues
Vol. 9, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Andrew J. Zele, Michelle L. Maynard, Daniel S. Joyce, and Dingcai Cao, "Effect of rod–cone interactions on mesopic visual performance mediated by chromatic and luminance pathways," J. Opt. Soc. Am. A 31, A7-A14 (2014)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-31-4-A7

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