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The primate retina contains two types of ganglion cells, with high and low contrast sensitivity.

Open access
Kaplan, E, Shapley, R M·1986·Proceedings of the National Academy of Sciences

Abstract

Previously, we discovered that the broadband cells in the two magnocellular (large cell) layers of the monkey lateral geniculate nucleus (LGN) are much more sensitive to luminance contrast than are the color-sensitive cells in the four parvocellular (small cell) layers. We now report that this large difference in contrast sensitivity is due not to LGN circuitry but to differences in sensitivity of the retinal ganglion cells that provide excitatory synaptic input to the LGN neurons. This means that the parallel analysis of color and luminance in the visual scene begins in the retina, probably at a retinal site distal to the ganglion cells.

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Crossref · 10.1073/pnas.83.8.2755

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Metadata

Authors
Kaplan, E., & Shapley, R. M.
Venue
Proceedings of the National Academy of Sciences
Published
1986-04
Volume
83
Issue
8
Pages
2755-2757
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2059376746
Cited by
732
References
0
FWCI
6.43
Type
journal article
Language
en
Open access
green

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