Interindividual variability. (A) Individual changes of working memory
performance (WM) in response to conventional and HD-tDCS, positive values
represent performance increase in tDCS conditions, numbers over the bars
indicate if the verum tDCS condition was first or second to sham condition,
numbers under the bars indicate individual patients with * specifying patients
stimulated with reduced current intensities, (B) Number of patients that
responded to stimulation for different montages, (C) Association between number
of hyperactive ADHD symptoms and HD-tDCS induced working memory improvement.