Abstract

The primate foveal local electroretinogram (LERG) is investigated with the aim of assessing its ability to accurately portray receptor functioning as otherwise indicated by the late receptor potential (LRP). Correlations between the foveal LERG and LRP are studied with regard to (1) response shape, (2) recording depth, (3) light adaptation, (4) spectral sensitivity, and (5) incremental stimuli. The two responses are found to be well correlated and it is concluded that the foveal LERG may be used as a stable and reliable indicator of receptor function.

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