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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: Nat Neurosci. 2014 Oct 26;17(12):1759–1766. doi: 10.1038/nn.3851

Figure 5.

Figure 5

Gap junction–mediated correlations are spatially restricted to overlapping dendritic regions. (a) An illustration of the experimental protocol depicting small spot stimuli positioned to stimulate common or non-overlapping regions of the receptive fields of neighboring cRGCs. (b) The location of the three spots are overlaid over the experimentally measured receptive fields, estimated with one-dimensional Gaussian functions (Online Methods). (c) The light-evoked spiking response of the pair of neurons shown in b following stimulation of either common (spot 1) or uncommon regions (spot 2 + 3). (d) Representative cross-correlograms constructed from spike trains during stimulation of common (left) or uncommon regions (right). (e) The average CI values for activity driven by common and uncommon input as shown in d. Error bars, s.e.m.