Figure 2.

Comparison of the DMN based on two single-subject activation maps for all four conditions. (A/G): black screen (rest_black), (B/H): fixation of a crosshair (rest_cross), (C/I): fixation of the words “Entspann dich!” (Engl. “relax”) and (D/J): eyes-closed (rest_eyes_closed). Results revealed a substantial consistency across all four conditions (F/L) in one subject (spatial overlaps of any two conditions ranging from 0.58 to 0.66 in subject 3), but considerable differences of activation maps between two subjects for the same condition (spatial overlaps ranging from 0.39 to 0.57). However, a significant increase of overlap was found excluding the eyes-closed condition (E/K).