Intrinsic dynamics of the STN neurons Eqs (1)–(3) without stimulation. Oleksandr V. Popovych Borys Lysyansky Michael Rosenblum Arkady Pikovsky Peter A. Tass 10.1371/journal.pone.0173363.g002 https://plos.figshare.com/articles/figure/Intrinsic_dynamics_of_the_STN_neurons_Eqs_1_3_without_stimulation_/4735621 <p>The raster plots (A) and (C) and firing rates (relative number of neurons firing a spike at a given time) in plots (B) and (D) illustrate the STN neuronal activity in a strongly synchronized regime (A), (B) with the coupling <i>g</i><sub>G→S</sub> = 1.7 nS/<i>μ</i>m<sup>2</sup> from GPe to STN and in a weakly synchronized regime (C), (D) with <i>g</i><sub>G→S</sub> = 1.28 nS/<i>μ</i>m<sup>2</sup>. The red solid curves in plots (B) and (D) depict the filtered LFP. Stimulation current <i>I</i><sub>stim</sub> = 0.</p> 2017-03-08 18:48:28 closed-loop brain stimulation High-frequency HF feedback stimulation methods open-loop stimulation protocol brain target areas irrespectively brain stimulation DBS