Brightness and retinal locus: Effects of target size and spectral composition |
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| Authors: | Lawrence E. Marks |
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| Affiliation: | 1. John B. Pierce Foundation Laboratory and Yale School of Medicine, 06520, New Haven, Connecticut
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| Abstract: | Ss gave numerical estimates of brightness for stimuli presented to the foveal and peripheral retina. Experiment 1 showed that the periphery’s superior sensitivity to white light is relatively independent of target size. Experiment 2 showed that the periphery is more sensitive than the fovea to violet light, but is less sensitive than the fovea to red light. These results are explicable in terms of differences between rod and cone mediation of brightness. |
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