The influence of retinal illuminance on L-and M-cone driven electroretinograms

Jan Kremers, Neil R A Parry, Athanasios Panorgias, Ian J. Murray

    Research output: Contribution to journalArticlepeer-review


    The electroretinographic response to L-and M-cone isolating stimuli was measured at different luminance levels to study the effect of retinal illuminance on amplitude and phase, and how this may influence estimates of L:M ratios in the retina. It was found that the amplitude of L-and M-cone driven responses increases differently with increasing retinal illuminance: L-cone responses increase more quickly than those of M-cones. The L:M ratio does not change strongly with retinal illuminance. The phase of both L-and M-cone driven responses advances with increasing retinal illuminance. There is considerable interindividual variability in the phase difference between the two, but generally M-cone driven responses are phase advanced. © 2011 Cambridge University Press.
    Original languageEnglish
    Pages (from-to)129-135
    Number of pages6
    JournalVisual Neuroscience
    Issue number2
    Publication statusPublished - Mar 2011


    • Amplitude
    • Cone isolation
    • L:M ratio
    • Luminance
    • Phase


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