Lateral suppression of mesopic rod and cone flicker detection
journal contribution
posted on 2012-07-25, 00:00 authored by Dingcai Cao, Yolanda H. LuThis study investigated the mechanisms of flicker detection suppression by measuring mesopic rod and cone critical flicker frequencies (CFFs) at different center and surround illuminance levels. Stimuli were generated with a four-primary photostimulator that provided independent control of rod and cone excitations. The results showed that dim surrounds ≥0.2 Td suppressed cone-mediated CFFs at ≥20 Td but not rod-mediated CFFs. These results can be understood in terms of peak amplitudes of photoreceptor impulse response functions under different stimulation conditions.
Funding
This study was supported by NIH National Eye Institute grant R01 EY019651.
History
Publisher Statement
This paper was published in Journal of the Optical Society of America A and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/josaa/abstract.cfm?uri=josaa-29-2-A188. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. doi: 10.1364/JOSAA.29.00A188Publisher
Optical Society of AmericaLanguage
- en_US
issn
1084-7529Issue date
2012-02-01Usage metrics
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