Mesopic rod and S-cone interactions revealed by modulation thresholds
Zele AJ, Kremers J, Feigl B (2012)
Publication Type: Journal article
Publication year: 2012
Journal
Book Volume: 29
Pages Range: A19-26
Issue: 2
Abstract
We analyzed mesopic rod and S-cone interactions in terms of their contributions to the blue-yellow opponent pathway. Stimuli were generated using a four-primary colorimeter. Mixed rod and S-cone modulation thresholds (constant L-, M-cone excitation) were measured as a function of their phase difference. Modulation amplitude was equated using threshold units and contrast ratios. This study identified three interaction types: (1) a linear and antagonistic rod:S-cone interaction, (2) probability summation, and (3) a previously unidentified mutual nonlinear reinforcement. Linear rod:S-cone interactions occur within the blue-yellow opponent pathway. Probability summation involves signaling by different postreceptoral pathways. The origin of the nonlinear reinforcement is possibly at the photoreceptors.
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APA:
Zele, A.J., Kremers, J., & Feigl, B. (2012). Mesopic rod and S-cone interactions revealed by modulation thresholds. Journal of the Optical Society of America A-Optics Image Science and Vision, 29, A19-26. https://doi.org/10.1364/JOSAA.29.000A19
MLA:
Zele, Andrew J., Jan Kremers, and Beatrix Feigl. "Mesopic rod and S-cone interactions revealed by modulation thresholds." Journal of the Optical Society of America A-Optics Image Science and Vision 29 (2012): A19-26.
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