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  • Title: Inhibitory influence of unstimulated rods in the human retina: evidence provided by examining cone flicker.
    Author: Goldberg SH, Frumkes TE, Nygaard RW.
    Journal: Science; 1983 Jul 08; 221(4606):180-2. PubMed ID: 6857279.
    Abstract:
    In the parafoveal retina of human observers, cone-mediated sensitivity to flicker decreases as rods become progressively more dark-adapted. This effect is greatest when a rod response to flicker is precluded. These results indicate that rods tonically inhibit cone pathways in the dark.
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