Abstract
IT is usually assumed that the rat retina contains few, if any, cones1,2. If this is the case, the rods might saturate in photopic conditions, as in man3 and monkeys4. The question is of considerable importance in view of the great amount of experimental work on vision that has been done with these animals, for if rod saturation occurs the level of illumination chosen in different experiments would be crucial.
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MUNTZ, W., NORTHMORE, D. & PRAGNELL, V. Increment Thresholds in Photopic Conditions in the Hooded Rat. Nature 223, 1280–1281 (1969). https://doi.org/10.1038/2231280a0
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DOI: https://doi.org/10.1038/2231280a0
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