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Comparison of activation patterns (t-maps) of ΔHbOs averaged over all subjects and trials: (A) t-map of HC, (B) MCI-0 [baseline, before acupuncture therapy (AT)], (C) MCI-1 (after 12 sessions of AT for 6 weeks), and (D) MCI-2 (after another 12 sessions of AT for 6 weeks). It is seen that AT makes the activated brain region wider.
