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Science 13 March 1964:
Vol. 143. no. 3611, pp. 1181 - 1182
DOI: 10.1126/science.143.3611.1181
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Articles

Visual Pigments of Single Primate Cones

W. B. Marks 1, W. H. Dobelle 1, and E. F. MacNichol Jr. 1

1 Department of Biophysics, Johns Hopkins University, Baltimore, Maryland 21218

Single parafoveal cones from human and monkey retinas were examined in a recording microspectrophotometer. Three types of receptors with maximum absorption in the yellow, green, and violet regions of the spectruin were found. Thus the commonly held belief, for which there has previously been no direct and unequivocal evidence, that color vision is mediated by several kinds of receptors (possibly three), each containing photopigments absorbing in diflerent regions of the spectrum, is confirmed.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Chromatic organization of primate cones.
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Red-Green Cone Interactions in the Increment-Threshold Spectral Sensitivity of Primates.
H. G. Sperling and R. S. Harwerth (1971)
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Trichromatic Mechanisms in Single Cortical Neurons.
P. Gouras (1970)
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Visual pigment density in single primate foveal cones..
W. H. Dobelle, W. B. Marks, and E. F. MacNichol Jr. (1969)
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Primate Color Vision.
R. L. De Valois and G. H. Jacobs (1968)
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Molecular Basis of Visual Excitation.
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Microspectrophotometry of Photoreceptor Organelles from Eyes of the Prawn Palaemonetes.
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Spectral Sensitivity of Color Mechanisms: Derivation from Fluctuations of Color Appearance near Threshold.
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{pi}1 Cone Monochromatism.
M. ALPERN, G. B. LEE, and B. E. SPIVEY (1965)
Arch Ophthalmol 74, 334-337
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Optics and Visual Physiology.
M. L. RUBIN (1965)
Arch Ophthalmol 73, 863-889
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Absorption Properties, Interconversions, and Environmental Adaptation of Pigments from Fish Photoreceptors.
C. D. B. Bridges (1965)
Cold Spring Harb Symp Quant Biol 30, 317-334
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Human Color Vision and Color Blindness.
G. Wald and P. K. Brown (1965)
Cold Spring Harb Symp Quant Biol 30, 345-361
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Electrophysiological Study of the Mechanisms Subserving Color Coding in the Fish Retina.
T. Tomita (1965)
Cold Spring Harb Symp Quant Biol 30, 559-566
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Analysis and Coding of Color Vision in the Primate Visual System.
R. L. De Valois (1965)
Cold Spring Harb Symp Quant Biol 30, 567-579
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Foveal Receptors of the Monkey Retina: Fine Structure.
J. E. Dowling (1965)
Science 147, 57-59
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The Receptors of Human Color Vision: Action spectra of three visual pigments in human cones account for normal color vision and color-blindness.
G. Wald (1964)
Science 145, 1007-1016
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Visual Pigments in Single Rods and Cones of the Human Retina.
P. K. Brown and G. Wald (1964)
Science 144, 45-52
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