Light adaptation in cat retinal rods

T. Tamura, K. Nakatani, K. W. Yau

Research output: Contribution to journalArticlepeer-review

Abstract

It has long been an open question whether individual rod receptors in the mammalian retina show any light adaptation. The prevailing evidence so far has suggested that these cells, unlike those in lower vertebrates, adapt little if at all. The experiments on cat rods reported here, however, indicate that this is not really true. Since the cone system in the cat retina has a fairly high light threshold, the rods also need to adapt so that they do not saturate with light before the cones fully take over vision at higher light intensities. In similar experiments, adaptation was found in rods of other mammalian species, including primates.

Original languageEnglish (US)
Pages (from-to)755-758
Number of pages4
JournalScience
Volume245
Issue number4919
DOIs
StatePublished - Jan 1 1989

ASJC Scopus subject areas

  • General

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