Figure 3. Task effects on medial prefrontal and anterior cingulate regions of interest.

Average percent signal change extracted from a priori regions of interest are shown for incongruent and congruent trials of the multisource interference task (MSIT). Activation was greater for incongruent versus congruent trials in dorsal aspects, including dorsal ACC (t(38) = −2.59, p = .014). Activation was greater for congruent than incongruent trials in rostral and ventral aspects, including medial PFC (t(38) = 8.61, p < .001), rostral ACC (t(38) = 5.46, p < .001), and ventral ACC (t(38) = 3.80, p = .001).