Intrinsic properties and functional circuitry of the AII amacrine cell
نویسندگان
چکیده
منابع مشابه
Intrinsic Bursting of AII Amacrine Cells Underlies Oscillations
1 In many forms of retinal degeneration, photoreceptors die but inner retinal circuits remain intact. In the rd1 mouse, 2 an established model for blinding retinal diseases, spontaneous activity in the coupled network of AII amacrine and 3 ON cone bipolar cells leads to rhythmic bursting of ganglion cells. Since such activity could impair retinal and/or 4 cortical responses to restored photorec...
متن کاملElectrical coupling and passive membrane properties of AII amacrine cells.
AII amacrine cells in the mammalian retina are connected via electrical synapses to on-cone bipolar cells and to other AII amacrine cells. To understand synaptic integration in these interneurons, we need information about the junctional conductance (g(j)), the membrane resistance (r(m)), the membrane capacitance (C(m)), and the cytoplasmic resistivity (R(i)). Due to the extensive electrical co...
متن کاملSimulation of the AII amacrine cell of mammalian retina: functional consequences of electrical coupling and regenerative membrane properties.
The AII amacrine cell of mammalian retina collects signals from several hundred rods and is hypothesized to transmit quantal "single-photon" signals at scotopic (starlight) intensities. One problem for this theory is that the quantal signal from one rod when summed with noise from neighboring rods would be lost if some mechanism did not exist for removing the noise. Several features of the AII ...
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15 صفحه اولThe AII amacrine cell connectome: a dense network hub
The mammalian AII retinal amacrine cell is a narrow-field, multistratified glycinergic neuron best known for its role in collecting scotopic signals from rod bipolar cells and distributing them to ON and OFF cone pathways in a crossover network via a combination of inhibitory synapses and heterocellular AII::ON cone bipolar cell gap junctions. Long considered a simple cell, a full connectomics ...
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ژورنال
عنوان ژورنال: Visual Neuroscience
سال: 2012
ISSN: 0952-5238,1469-8714
DOI: 10.1017/s0952523811000368