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. 2013 Apr 24;33(17):7368–7383. doi: 10.1523/JNEUROSCI.5746-12.2013

Figure 5.

Figure 5.

Plotted are all of the empirically measured developmental events (y-axis) in the cat, versus predicted developmental time for each event (x-axis), before the fitting of a retinal neurogenesis interaction term. All of the events in retinal neurogenesis are highlighted by black circles and all other events are in gray. The retinal neurogenesis events all occur later than would be predicted by the general model for the cat. Consistent with the hypothesis that this developmental delay has occurred for the purpose of increasing the retinal cell populations associated with nocturnality, within the retinal neurogenesis group only retinal ganglion cells are delayed. Retinal ganglion cells are the only measured cell class in the cat retina that are neither rods nor have a connection with rods.