Table 3.

Regional brain metabolic measures (micromoles per 100 g per min) obtained by using ROI when the IGS was activated (on) and deactivated (off)

ROIIGS onIGS offP
Right putamen56.9 ± 5.451.0 ± 3.00.03
Left putamen56.7 ± 8.453.7 ± 4.30.46
Right ventral striatum50.3 ± 7.043.7 ± 4.20.04
Left ventral striatum49.8 ± 8.547.8 ± 6.30.73
Right orbitofrontal cortex41.7 ± 1.837.8 ± 3.10.02
Left orbitofrontal cortex44.6 ± 4.238.8 ± 3.30.07
Right hippocampus39.2 ± 5.233.1 ± 5.30.01
Left hippocampus37.1 ± 5.833.1 ± 5.10.14
Right cerebellum40.8 ± 6.045.7 ± 4.70.12
Left cerebellum41.6 ± 5.345.2 ± 3.20.16
  • Boldface numbers represent statistical significance (P < 0.005).