Figure 2.

Task main effects for the group of all subjects (N = 30), depicting regions of significant change of activation (P _cor < 0.001) during the respective task; (a) alertness, (b) 1‐back, (c) 2‐back, and (d) 3‐back. Positive t‐scores represent positive signal change; negative t‐scores represent negative signal change. Main effect maps are superimposed onto a Talairach anatomical template in radiological convention (right = left). [Color figure can be viewed in the online issue, which is available at wileyonlinelibrary.com.]