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Near infrared spectroscopy (NIRS) has been successfully used in this study to objectify cerebral alterations in oxyhemoglobin and desoxyhemoglobin, due to manual needle acupuncture and laserneedle acupuncture, in 88 healthy volunteers mean age 25.7±4.0 ( ±SD) years (19–38 years). Results from Traditional Chinese Acupuncture, Korean and Chinese hand acupuncture, ear acupuncture, combinations of the different acupuncture methods and placebo needling are presented. NIRS seems to be able to shed some light upon the functioning of the different acupuncture methods.
Litscher et al. (Tue,) studied this question.