Fig. 4 | Scientific Reports

Fig. 4

From: Cortical excitability and analgesic effects of multisite transcranial direct current stimulation targeting the motor cortex and cerebellum in fibromyalgia

Fig. 4

(A) ΔMEP according to intervention (a-tDCS vs. M1 + CB-S-tDCS). Bars represent the mean change in MEP from baseline, with 95% confidence intervals. The a-tDCS group (active transcranial direct current stimulation) showed a statistically significant increase in MEP (p < 0.05), as indicated by the asterisk. (B) ΔMEP according to stimulation site and intervention group. Bars represent the mean change in MEP from baseline, with 95% confidence intervals. The a-tDCS group (active stimulation) is shown in orange, and the M1 + CB-S-tDCS group (sham stimulation) in green. A significant increase in MEP was observed only in the a-tDCS group targeting M1 (p < 0.05), as indicated by the asterisk.

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