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. 2018 Feb 1;8:2062. doi: 10.1038/s41598-018-20428-8

Figure 3.

Figure 3

Heterogeneity of thalamic PSTH responses to VPLo-HFS with increasing stimulation amplitude. (AF) Representative examples of the following classes of responses (p: firing pattern modulation, r: firing rate modulation. ‘+’: increase in firing rate or phase-locked spike activity, ‘−’: decrease in firing rate or phase-locked spike activity, n: no response). (G–J) Dependence of stimulation amplitude on motor thalamic neuronal responses to VPLo-HFS. Data from Subject K and Subject U are on the left and right side of the legend, respectively. The top row shows the proportionate effects of HFS at 150, 250, and 350 μA across all recordings (Subject K: n = 245, Subject U: n = 283), whereas the bottom row shows the corresponding percentages only for those recordings that were significantly modulated by HFS (i.e. firing pattern or rate modulation). (K,L) Effect of stimulus amplitude on all cells exhibiting one or more instances of firing pattern modulation (n = 11 cells in Subject K, n = 21 cells in Subject U).