Fig. 3. Random-effect analyses for subjects 0–2, 2–4.5, and 4.5–10 min after incision (n = 30) or sham preparation (n = 14), one sample t test; corrected for multiple comparisons, T = 7.2, 10 voxels). Pain scores at incision were added as a cofactor. Peak intensity for most areas is reached 0–2 min after incision. Incision and sham group differ significantly (see table 3). BA = Brodman area; MFG = medial frontal gyrus; SFG = superior frontal gyrus; IFG = inferior frontal gyrus.