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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

  • Vol. 13, Iss. 3 — Mar. 1, 1996
  • pp: 557–565

Inner retinal contributions to the primate photopic fast flicker electroretinogram

Ronald A. Bush and Paul A. Sieving  »View Author Affiliations


JOSA A, Vol. 13, Issue 3, pp. 557-565 (1996)
http://dx.doi.org/10.1364/JOSAA.13.000557


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Abstract

The primate electroretinogram (ERG) recorded at the cornea in response to fast flickering light is thought to reflect primarily the cone photoreceptor potential. We investigated the origin of the photopic 33-Hz corneal flicker ERG to square-wave and photostrobe flashes by recording in the monkey before and after blocking postsynaptic responses with intravitreal injections of 2-amino-4-phosphonobutyric acid and/or cis-2, 3-piperidiendicarboxylic acid or sodium aspartate. Blocking postsynapic ON or OFF responses produced effects on the timing and the waveform of the 33-Hz flicker ERG similar to changes in the b and the d waves in the corneal single-flash ERG. When all the ERG waves of postsynaptic origin in the flash ERG were abolished the flicker response was greatly suppressed, suggesting that postsynaptic cells producing the b and the d waves make major contributions to the photopic fast flicker ERG.

© 1996 Optical Society of America

History
Original Manuscript: May 23, 1995
Revised Manuscript: July 24, 1995
Manuscript Accepted: July 27, 1995
Published: March 1, 1996

Citation
Ronald A. Bush and Paul A. Sieving, "Inner retinal contributions to the primate photopic fast flicker electroretinogram," J. Opt. Soc. Am. A 13, 557-565 (1996)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-13-3-557

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