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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: J Neural Eng. 2014 Feb;11(1):016007. doi: 10.1088/1741-2560/11/1/016007

Figure 4.

Figure 4

Effect of interphase gap duration on ganglion cell electrical thresholds. Data from five salamander retinas (closed circles) indicated that IPGs reduce thresholds by up to ~25%. Computational modeling also predicted the threshold-lowering effects of IPG. Two models were generated: one for a salamander RGC (open circles) and another for a cat RGC (diamonds). Each model was solved 100 times while adding 10% uniformly distributed pseudorandom noise to the model parameters (data points show mean ± SEM of the 100 iterations). The salamander model aligned much more closely with the animal data. Decaying exponentials (equation 4) were fit to each data set. The best-fit parameter values are provided in table 2. Error bars indicate SEM. * means P < 0.05, and ** means P < 0.01.