De Qi, a Threshold of the Stimulus Intensity, Elicits the Specific Response of Acupoints and Intrinsic Change of Human Brain to Acupuncture
Figure 6
Change of electroencephalogram in Hegu acupoint following acupuncture before and after de qi. O-A, T-O, and C-O represent the electrodes placed for the different brain regions. We found that in different brain regions, the change of electroencephalogram before and after de qi was not evident.
