Effect of rod-cone interactions on mesopic visual performance mediated by chromatic and luminance pathways
Zele, Andrew J., Maynard, Michelle L., Joyce, Daniel S., & Cao, Dingcai (2014) Effect of rod-cone interactions on mesopic visual performance mediated by chromatic and luminance pathways. Journal of the Optical Society of America A, 31(4), A7-A14.
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.
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|Item Type:||Journal Article|
|Keywords:||Vision, colour and visual optics, Colour Vision, Psychophysics|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300) > Vision Science (111303)|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Optometry & Vision Science
|Copyright Owner:||Copyright 2013 Optical Society of America|
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:
Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
|Deposited On:||21 Nov 2014 03:02|
|Last Modified:||24 Nov 2014 18:06|
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