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. 2021 Dec 8;15:753995. doi: 10.3389/fnint.2021.753995

TABLE 5.

Adverse effects (AE) to tDCS reported by active or sham tDCS groups.

Adverse effects Active tDCS
(n = 11)
Sham tDCS
(n = 12)
p value
None or mild (n, %) 4 (36.6%) 9 (75%) 0.10
Moderate or severe (n, %) 7 (63.6%) 3 (25%)