Efficacy of transcranial direct current stimulation on motor and cognitive functions in patients with multiple sclerosis: a systematic review and meta-analysis.

Additionally, the trend toward improved gait speed observed in individual studies suggests potential compensatory mechanisms through enhanced corticospinal excitability [ 40 , 41 , 41 , 50 ], though pooled analysis of three studies failed to reach statistical significance ( p = 0.18), indicating insufficient evidence for definitive conclusions.

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