Answers are grounded in this paper and cite their sources.
Ronald Melzack, Ph.D., Patrick D. Wall, M.B., B.Ch., D.M.; Acupuncture and transcutaneous electrical nerve stimulation, Postgraduate Medical Journal, Volum
No takes yet. Share an insight, caveat, or question.
Melzack et al. (1984) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: