Midget ganglion cell

Midget pathways of the primate retina underlie resolution and red green color opponency. General characteristics. The specialized cone pathways of the central fovea of human and monkey retinas have the least convergence and the greatest resolution capabilities of the visual system. This is accomplished by making the connections as "private" as possible and narrowing them to a one to one relationship in the so-called midget pathways. Figure 1 shows an older drawing from Polyak's book that shows the very narrowest field bipolars and ganglion cells of the fovea.
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Absence of spectrally specific lateral inputs to midget ganglion cells in primate retina

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The midget pathways of the primate retina | SpringerLink

Our lab studies how cellular, synaptic and circuit-level mechanisms mediate sensory processing in the retina that ultimately lead to visual perception. We pose this question in species that have varied retinal specializations and rely on vision to different degrees. We utilize electrophysiological recording and optical imaging to assay neuronal function. We correlate single cell activity with detailed anatomical analysis using light and electron microscopy. We use genetic tools to perturb cell function, express fluorescent probes, map retinal circuits and identify molecular mechanisms shaping cellular processes. Linking photoreceptor function to G-protein signaling cascade.
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The midget pathways of the primate retina

NCBI Bookshelf. Authors Helga Kolb , PhD. Created: May 24, ; Last Update: April 4, The specialized cone pathways of the central fovea of human and monkey retinas have the least convergence and the greatest resolution capabilities of the visual system.
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As a part of the retina , bipolar cells exist between photoreceptors rod cells and cone cells and ganglion cells. They act, directly or indirectly, to transmit signals from the photoreceptors to the ganglion cells. Bipolar cells are so-named as they have a central body from which two sets of processes arise. The bipolar cells then transmit the signals from the photoreceptors or the horizontal cells, and pass it on to the ganglion cells directly or indirectly via amacrine cells.
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