Chromatic Organization of Ganglion Cell Receptive Fields in the Peripheral Retina

This study addresses the chromatic properties of receptive fields in the subcortical visual pathway of primates. There is agreement that, in the central visual field, many cells belonging to the parvocellular (PC) division of the subcortical pathway show red-green opponent responses, that a subgroup...

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Bibliographic Details
Published in:The Journal of neuroscience 2005-05, Vol.25 (18), p.4527-4539
Main Authors: Solomon, Samuel G, Lee, Barry B, White, Andrew J. R, Ruttiger, Lukas, Martin, Paul R
Format: Article
Language:English
Subjects:
Action Potentials - physiology
Action Potentials - radiation effects
Animals
Behavioral/Systems/Cognitive
Cell Count - methods
Color
Color Perception - physiology
Dose-Response Relationship, Radiation
Female
Light
Macaca fascicularis
Male
Models, Biological
Nonlinear Dynamics
Orientation - physiology
Photic Stimulation - methods
Psychophysics
Retina - cytology
Retinal Ganglion Cells - classification
Retinal Ganglion Cells - drug effects
Retinal Ganglion Cells - physiology
Sensory Thresholds - physiology
Visual Fields - physiology
Visual Pathways - physiology
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Summary:This study addresses the chromatic properties of receptive fields in the subcortical visual pathway of primates. There is agreement that, in the central visual field, many cells belonging to the parvocellular (PC) division of the subcortical pathway show red-green opponent responses, that a subgroup of cells belonging to the koniocellular (KC) pathway shows blue-yellow opponent responses, and that magnocellular (MC) pathway cells show only weak signs of chromatic input. However, the chromatic properties of ganglion cells in the peripheral retina are poorly understood. Here, we measured the temporal-chromatic properties of ganglion cells in extracellular in vivo recordings from peripheral macaque retina. We show that the chromatic responsivity of peripheral KC ("blue-on") and MC cells is very similar to that of their counterparts in the foveal retina. Cone-opponent responses are expressed only at low temporal frequencies (
ISSN:0270-6474
1529-2401
DOI:10.1523/JNEUROSCI.3921-04.2005