“…After the FORCEtraining with tDCS with the anode placed over M1, using a questionnaire developed by Brunoni et al (2011) andFertonani et al (2010), we asked participants to report the presence and severity (none-mild-moderate-considerable-strong) of feelings of itchiness, tingling, headache, neck pain, scalp pain, burning, warmth/heat, pinching, iron taste, fatigue, concentration difficulties and acute mood changes. In addition, the start (beginning, middle or end of stimulation) and duration (stopped soon, in the middle or towards the end of the stimulation) of these sensations was questioned and participants were asked if the sensations influenced their performance (not at all, a little, considerably, much, very much).…”