Progression of adverse effects over consecutive sessions of transcranial direct current stimulation

We read the paper by Antal et al. (2017) with great interest, and felt that it provided an excellent overview of the safety aspects of transcranial electrical stimulation (tES). However, we noticed that while multi-day stimulation studies were discussed, potential changes in adverse effects (AEs) over consecutive sessions were not, and the lack of knowledge on the matter was pointed out by the authors. We recently completed an experiment in which we investigated this issue.

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