How retinal microcircuits scale for ganglion cells of different size.

  title={How retinal microcircuits scale for ganglion cells of different size.},
  author={C K Kier and Gershon Buchsbaum and Peter Sterling},
  journal={The Journal of neuroscience : the official journal of the Society for Neuroscience},
  volume={15 11},
Ganglion cell receptive field centers are small in central retina and larger toward periphery. Accompanying this expansion, the distribution of sensitivity across the centers remain Gaussian, but peak sensitivities decline. To identify circuitry that might explain this physiology, we measured the density of bipolar cell synapses on the dendritic membrane of beta (X) and alpha (Y) ganglion cells and the distribution of dendritic membrane across their dendritic fields. Both central and peripheral… CONTINUE READING
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