Contribution from proximal retina to intraretinal pattern ERG: The M-wave

P. A. Sieving, R. H. Steinberg

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


Intraretinal electroretinographic (ERG) responses were recorded from cat to spatial square wave gratings that were reversed in contrast (pattern ERG, PERG). Maximum 8 Hz PERG amplitudes occurred in proximal retina. Intraretinal ERGs to circular spots (photopic) also were maximal in proximal retina and resembled the M-waves of cold-blooded retinas. The temporal transforms of M-wave responses to 8 Hz flicker (to simulate contrast reversal conditions) imitated the 8 Hz PERG, suggesting that the M-wave may contribute significantly to the PERG.

Original languageEnglish (US)
Pages (from-to)1642-1647
Number of pages6
JournalInvestigative Ophthalmology and Visual Science
Issue number11
StatePublished - 1985
Externally publishedYes

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems
  • Cellular and Molecular Neuroscience


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