Figure 1

(a) The tDCS montage adopted in the study. (b) The old/new recognition task used. (c) The results from the study. The x-axis shows the face types in each tDCS group. The y-axis shows sensitivity d′ measure. Error bars represent s.e.m. The face images were selected from the open access Chicago Face Database (www.chicagofaces.org)55,56,57,58,59,60. Publishing permission of these images was granted from the Center for Decision Research.