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Related Experiment Videos

Transient decrease in skin resistance response and level at the deh-chi stage caused by manual acupuncture

T J Liao1, S Urata, H Nishikawa

  • 1Department of Physiology, Meiji University of Oriental Medicine, Funaigun, Kyoto, Japan. t_nakayama@muom.meiji-u.ac.jp

The Tohoku Journal of Experimental Medicine
|January 23, 1999
PubMed
Summary
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Manual acupuncture

Area of Science:

  • Neuroscience
  • Acupuncture Research
  • Physiology

Background:

  • Deh-chi, a sensation during acupuncture, is crucial but mechanistically unclear.
  • Electrodermal activity (EDA), including skin resistance response (SRR) and skin resistance level (SRL), reflects sympathetic nerve activity.
  • Understanding the physiological basis of deh-chi can enhance acupuncture efficacy.

Purpose of the Study:

  • To investigate the relationship between skin sympathetic nerve activity and EDA during the deh-chi sensation.
  • To determine the physiological changes associated with manual acupuncture at the deh-chi stage.

Main Methods:

  • Simultaneous recording of skin resistance response (SRR), skin resistance level (SRL), skin blood flow, and perspiration.
  • Manual acupuncture was applied to elicit the deh-chi sensation.

Related Experiment Videos

  • Analysis of electrodermal activity (EDA) and physiological responses during acupuncture.

    • Main Results:

    • Skin resistance response (SRR) and skin resistance level (SRL) decreased during deh-chi.
    • Skin blood flow decreased transiently at the deh-chi stage.
    • Perspiration increased transiently, indicating increased sudomotor activity.

    Conclusions:

    • Manual acupuncture induces changes in vasomotor and sudomotor activities during the deh-chi sensation.
    • Skin resistance response (SRR) and skin resistance level (SRL) can serve as objective indicators for the deh-chi phenomenon.
    • These findings provide physiological insights into acupuncture's effects.