Fig. 3From: Changes in cerebral glucose metabolism after 3 weeks of noninvasive electrical stimulation of mild cognitive impairment patientsPET results after 3 weeks tDCS > baseline and tDCS > sham. a Brain regions showing increased glucose metabolism after 3-week tDCS treatment versus baseline condition. b Brain regions showing significantly increased glucose metabolism in the real tDCS stimulation group versus the sham group (p < 0.05, FDR corrected). tDCS transcranial direct current stimulationBack to article page