Figure 5 | Scientific Reports

Figure 5

From: A specific phase of transcranial alternating current stimulation at the β frequency boosts repetitive paired-pulse TMS-induced plasticity

Figure 5

The differential after-effects of each condition on each individual in Experiments 1 (A) and 2 (B). The normalized post-intervention MEP amplitudes were averaged (post 0–10 min, post 15–30 min). Dotted lines represent the threshold for facilitatory responses. In the rPPS combined with β tACS condition, excitatory responses under the peak condition were evident in most participants, while those during the trough condition were less marked (A). In contrast, we observed no excitatory responses in most participants when rPPS was combined with the α tACS peak phase (B). Although MEP amplitudes increased in the sham condition, there was high inter-individual variability in the excitatory responses in Experiments 1 and 2 (A, B).

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