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Metastability and Inter-Band Frequency Modulation in Networks of Oscillating Spiking Neuron Populations

Figure 2

Extraction of frequencies from population firings (A) Scalogram of the excitatory layer of a neural PING node that has been connected to 9 other nodes each oscillating at a different frequency.

(B) Firing behaviour of the same excitatory layer between 1000 ms to 1500 ms in the simulation. Note how the spacing in between the burst of firing is reflected as different frequencies in the scalogram in panel A. (C) Time slice of the scalogram in panel A taken at 1460 ms. The red line shows the time slice and the green lines show different Gaussians, the sum of which fits the red line.

Figure 2

doi: https://doi.org/10.1371/journal.pone.0062234.g002