Primate Retina: Duplex Function of Dark-Adapted Ganglion Cells

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Science  26 Mar 1965:
Vol. 147, Issue 3665, pp. 1593-1594
DOI: 10.1126/science.147.3665.1593


Certain ganglion cells from the central region of dark-adapted retina of the rhesus monkey respond to stimulation of both rod and cone receptors. With dim stimuli the function of these ganglion cells is determined entirely by the rods; with brighter stimuli that affect both dark-adapted rods and cones, little evidence of rod function is detectable because a cone mechanism appears to determine both the latency and frequency of ganglion-cell firing.