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Evaluation of the Oscillatory Interference Model of Grid Cell Firing through Analysis and Measured Period Variance of Some Biological Oscillators

Figure 6

Example spatial firing as number of VCOs is varied.

Two-dimensional spatial firing plots of seven example simulated cells with varying numbers of VCOs as the amount of noise is held fixed at a variance of 2.5 . Black indicates a location where a cell is active. The plots correspond to sampling along one row of Figure 5. These do not show cumulative spikes, but rather the spatial firing as it would appear starting with phase errors distributed with this level of variance, but then accumulating no more noise. When there is no noise (shown in gray for each set), all conditions have essentially the same spatial pattern.

doi: https://doi.org/10.1371/journal.pcbi.1000573.g006