Abstract
Light adapted retina were stimulated by dark flashes. In comparing intaretinal component peaks. P III predominated over P II in contrast to dark adaptation where P II was larger. The light adapted electroretinogram corresponds to the intraretinal component P III but it was not possible to obtain any information concerning P II from the ERG. ERG elicitated by dark flashes increases during the flash up to durations of 1 sec (rabbit retina) or 0.2 sec (human retina). The peak of the dark flash ERG is a power function of light intensity preceding dark stimulus with an exponent c = 0.83 in the range of about 2 log units of light intensity.
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