Figure 1
From: Augmentation of working memory training by transcranial direct current stimulation (tDCS)

Adaptive n-back training (mean n) across sessions with T1 – T3 combined with anodal tDCS during one week. At T4, the adaptive n-back was trained without tDCS. Follow-up sessions were performed without tDCS. Shading indicates application of tDCS. Error-bars represent the standard error (SEM). *Indicates significant t-tests (p < 0.05).