Deep and shallow needling produce similar brain response

Both deep and superficial needling of acupuncture points appear to elicit similar responses in the brain. Volunteers were needled either superficially or deeply at L.I.-4 Hegu, while their brains underwent fMRI scanning, which calculates the activity of brain regions by measuring oxygen uptake by the tissue. The result of both types of needling was that deactivation of brain regions predominated o ...

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