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. 2018 Oct 31;12:441. doi: 10.3389/fnhum.2018.00441

FIGURE 3.

FIGURE 3

The comparison of reaction time (mean ± SD) before and after the stimulation. a-tDCS, anodal-tDCS; a-tDCSUHCDS, anodal unihemispheric concurrent dual-site transcranial direct current stimulation; , significant.