Neural circuitry: latent, passive, and active acupoints

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…acupuncture needling increases impulses from passive acupoints but calms signals from active acupoints. This electrophysiologic difference between passive and active acupoints has been confirmed by experimental data in rats (Y.-T. Ma, unpublished data).

Ma, S., & Sun, S. (2014). Biomedical Acupuncture for Pain Management: An Integrative Approach. Elsevier.