Cortical excitability changes induced by tDCS and revealed by TMS, are increasingly being
used as an index of neuronal plasticity in the human cortex. The aim of this paper is to
summarize the partially adverse effects of 567 tDCS sessions over motor and non-motor
cortical areas (occipital, temporal, parietal) from the last 2 years, on work performed in our
laboratories. One-hundred and two of our subjects who participated in our tDCS studies
completed a questionnaire. The questionnaire contained rating scales regarding the …