Fig. 9
From: Portable wireless neurofeedback system of EEG alpha rhythm enhances memory
Changes in the accuracies of the backward digit span test (left panel) and word-pair test (right panel) before and after the neurofeedback training of the two groups. *p < 0.05 when compared with the pretest; #p < 0.05 when compared with the Control with Bonferroni correction