Modulating inhibitory control with direct current stimulation of the superior medial frontal cortex. - Tzu-Yu Hsu; Lin-Yuan Tseng; Jia-Xin Yu; Wen-Jui Kuo; Daisy L. Hung; Ovid J. L. Tzeng; Vincent Walsh; Neil G. Muggleton; Chi-Hung Juan (NeuroImage, 2011)