Rod outer segments are designed for optimum photon detection

The proposal that rod outer segment length is optimal with respect to photon absorption and noise control is extended and tested in a number of species. We find good agreement with our optimality criterion in duplex retinae where rods act as detectors of one or a few photons, but not in all rod reti...

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Bibliographic Details
Published inBiological cybernetics Vol. 66; no. 4; p. 301
Main Authors Leibovic, K N, Moreno-Diaz, Jr, R
Format Journal Article
LanguageEnglish
Published Germany 01.02.1992
Subjects
Absorption
Ambystoma
Animals
Bufo marinus
Mathematics
Rabbits
Radiation
Rana pipiens
Rod Cell Outer Segment - physiology
Skates (Fish)
Visual Perception
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Summary:The proposal that rod outer segment length is optimal with respect to photon absorption and noise control is extended and tested in a number of species. We find good agreement with our optimality criterion in duplex retinae where rods act as detectors of one or a few photons, but not in all rod retinae nor in those which are exposed to significant photic environmental noise.
ISSN:0340-1200
DOI:10.1007/BF00203666