Spectral Sensitivities of Colour Mechanisms Isolated by the Human Visual Evoked Response

Abstract
The effects of intense chromatic adaptation on the human visual evoked response (VER) has been studied. For three different backgrounds – yellow, blue-green and purple – the different spectral sensitivity functions were obtained from VER measurements, with peaks in the blue, green and red part of the spectrum, respectively. The relation of these functions to the spectral sensitivities of the cone pigments and colour mechanisms isolated psychophysically is discussed.

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