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Transcranial direct current stimulation (tDCS) reduces tinnitus symptoms. The tDCS group showed reduction of tinnitus symptoms evaluated by the visual analog scale and tinnitus handicap inventory survey at 1 month after treatment. A significant reduction was noted between immediately after the treatment and 1 month after the treatment. (* p < 0.05; ** p < 0.01; *** p < 0.001; analyzed using repeated measure analysis of variance).
