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. Author manuscript; available in PMC: 2018 Dec 18.

Published in final edited form as: Brain Stimul. 2017 Oct 5;11(1):108–117. doi: 10.1016/j.brs.2017.09.017

Fig. 4. — Corticospinal response before and after transcranial direct current stimulation (tDCS). Panel A shows motor evoked potential area (MEP_area) and muscular wave (M_wave) MEP_area/M-wave ratio. Panel B shows MEP peak to peak amplitude (MEP_amp). Panel C shows MEP peak to peak duration (MEP_dur); Panel D shows MEP cortical silent period (CSP); §Denotes significant difference from CATHODAL and SHAM (P < 0.05); †Denotes significant condition × time interaction (P < 0.05). Data are presented as mean ± SD (n = 12).