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. 2018 Jan 15;8:752. doi: 10.1038/s41598-017-19023-0

Figure 2.

Figure 2

Motor cortex stimulation with different pulse-shapes (Exp. 1, Phase I). (A) Shows the bandpass filtered, averaged (5 repetitions), limb acceleration data for the five different pulse-shapes tested at one amplitude. (B) Shows the limb displacement data calculated from the acceleration data in panel A. (C) Shows the effect of pulse-shape on normalized limb displacement, calculated from the peak in panel B, for a range of pulse amplitudes in one animal. In this rat, biphasic (BP) and triangular (TRI) pulse-shapes produce relatively small limb displacements while Gaussian (GAUS), pseudomonophasic (PM) and interphase gap (IPG) pulse-shapes produce progressively larger displacements for an equivalent pulse amplitude. (D) These findings are reflected in the data at the group level (n = 6). Data are shown as means ± SD. **p < 0.01, ***p < 0.001.