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The BOLD percent signal change of the CBrot–CBstat contrast for each subject averaged over the brainstem ROI. The ANOVA revealed increased activation in the post-CN-NINM group compared to the pre-CN-NINM group. Normal controls showed greater activation compared to the pre-CN-NINM group but not the post-CN-NINM group. Error bars are 95% confidence intervals about the mean. * - p<0.005, ** - p<0.01
