Figure 12.
Impact of continuous CR stimulation on the ensemble of aEIF bursting neurons (Equation 7). (A) Time courses of the membrane potentials Vj of four selected neurons with indices j indicated in the plot. The neurons are assigned to each of the four stimulation sites located at the same lattice coordinates. Stimulation begins at t = 700 ms with stimulation intensity I = 1550 pA, and spatial current decay rate σ = 0.5. The vertical solid lines comprise the CR stimulation cycles of length T = 70 ms, and the dashed lines indicate the time intervals, where the corresponding stimulation site is active. (B) The corresponding raster plot of the burst onsets. (C) Minimal values 〈R1〉opt of the time-averaged first order parameter of the neuronal ensemble controlled by continuous CR stimulation vs. the number of stimulation sites Ns for different values of parameter σ in Equation (3) as indicated in the legend. The stimulation strength I was varied in the interval [0, 2000] pA.