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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: A113–A120

Temporal characteristics of L- and M-cone isolating steady-state electroretinograms

Deepika Kommanapalli, Ian J. Murray, Jan Kremers, Neil R. A. Parry, and Declan J. McKeefry  »View Author Affiliations


JOSA A, Vol. 31, Issue 4, pp. A113-A120 (2014)
http://dx.doi.org/10.1364/JOSAA.31.00A113


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Abstract

Cone isolating stimuli were used to assess the temporal frequency response characteristics of L- and M-cone electroretinograms (ERGs) in nine trichromatic and four dichromatic human observers. The stimuli comprised sinusoidal temporal modulations varying from 5 to 100 Hz. ERGs were recorded using corneal fiber electrodes and subjected to fast Fourier transform analysis. At low temporal frequencies (<10Hz) the L- and M-cone ERGs had similar amplitude and exhibited minimal differences in apparent latency. At higher flicker rates (>20Hz) L-cone ERGs had greater amplitudes and shorter apparent latencies than the M-cone responses. These differences between the L- and M-cone ERGs are consistent with their mediation by chromatic and luminance postreceptoral processing pathways at low and high temporal frequencies, respectively.

© 2014 Optical Society of America

OCIS Codes
(330.4300) Vision, color, and visual optics : Vision system - noninvasive assessment
(330.5310) Vision, color, and visual optics : Vision - photoreceptors
(330.5380) Vision, color, and visual optics : Physiology

ToC Category:
Retinal and cortical color processing

History
Original Manuscript: September 30, 2013
Revised Manuscript: December 11, 2013
Manuscript Accepted: December 12, 2013
Published: January 21, 2014

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

Citation
Deepika Kommanapalli, Ian J. Murray, Jan Kremers, Neil R. A. Parry, and Declan J. McKeefry, "Temporal characteristics of L- and M-cone isolating steady-state electroretinograms," J. Opt. Soc. Am. A 31, A113-A120 (2014)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-31-4-A113

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