Structural Basis for ON-and OFF-Center Responses in Retinal Ganglion Cells
Edward V. Famiglietti, Helga Kolb
Abstract
Edward V. Famiglietti, Helga Kolb
Abstract
The inner plexiform layer of the mammalian retina has a bisublaminar organization determined by restricted branching of the terminals of cone bipolar cells and dendrites of class I (large) and class II (small) ganglion cells. Comparison of dendritic field diameters and receptive fiedl center sizes of large ganglion cells suggests that neural circuitry in sublamina a conveys "OFF"-center properties and connections in sublamina b "ON"-center properties to retinal ganglion cells.
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The inner plexiform layer of the mammalian retina has a bisublaminar organization determined by restricted branching of the terminals of cone bipolar cells and dendrites of class I (large) and class II (small) ganglion cells. Comparison of dendritic field diameters and receptive fiedl center sizes of large ganglion cells suggests that neural circuitry in sublamina a conveys "OFF"-center properties and connections in sublamina b "ON"-center properties to retinal ganglion cells.
Key concepts: Inner plexiform layer, Receptive field, Giant retinal ganglion cells, Bistratified cell, Parasol cell, Retina, Ganglion, Intrinsically photosensitive retinal ganglion cells