Research Article

Trains of Epidural DC Stimulation of the Cerebellum Tune Corticomotor Excitability

Figure 6

Box and whisker plots showing the changes in the excitability of the anterior horn of the spinal cord, assessed by the ratios mean /mean (expressed in %; (a, b)) and the persistence of the wave (expressed in %; (c, d)) in rats. Recordings in left gastrocnemius muscle (a, c) and right gastrocnemius muscle (b, d). Basal: values in basal condition; post-ADCS: values obtained after application of anodal direct current stimulation over left cerebellar hemisphere; post-CDCS: values obtained after application of cathodal direct current stimulation over left cerebellar hemisphere. Medians (continuous lines) and means (dashed lines) are illustrated, as well as outliers (corresponding to the 5th and 95th percentiles). In left gastrocnemius muscle, values after ADCS and values after CDCS are significantly lower and higher as compared to the basal values, respectively ( ). Moreover, values after CDCS are significantly higher as compared to the values after ADCS ( ).
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(c)
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(d)