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770.40.20-0.2-0.4-0.6-0.8-1Plasma LactateBreathingRateSkinConductance CortisolEfiect Size(Standard Deviations)Rest TMDeep Physiological RelaxationAnalysis of 32 Studiestm-003PROFOUND DEEP REST AT WILLThis chart shows a synthesis (a meta-analysis) of all the research done on changes in stress indicators (32 studies) during the Transcendental Meditation (TM) technique. It confi rms that the state achieved during TM is profoundly relaxing, as indicated by the following physiological changes:%u2022 decreased plasma lactate (a metabolic byproduct), which indicates rejuvenation of the body%u2022 decreased breathing rate, which indicates a more relaxed physiology%u2022 decreased skin conductance, as seen from less sweaty palms, which indicates that stress is decreasing%u2022 decreased cortisol, the major stress hormone, which indicates a holistic reduction in the stress responseThese physiological changes correspond to the changes in brain activity during TM practice and to the increases in EEG coherence.References: Dillbeck, M. C., & Orme-Johnson, D. W. (1987). Physiological differences between Transcendental Meditation and rest. American Psychologist, 42, 879%u2013881. Jevning, R., Wilson, A. F., & Davidson, J. M. (1978). Adrenocortical activity during meditation. Hormones and Behavior, 10(1), 54%u201360. Michaels, R. R., Parra, J., McCann, D. S., & Vander, A. J. (1979). Renin, cortisol, and aldosterone during Transcendental Meditation. Psychosomatic Medicine, 41(1), 50%u201354. Also see Klimes-Dougan, B., Shen, C. L., Samikoglu, A., Thai, M., Amatya, P., Cullen, K. R., & Lim, K. O. (2019). Transcendental Meditation and hypothalamic%u2013pituitary%u2013adrenal axis functioning: A pilot, randomized controlled trial with young adults. Stress, 22(5), 528%u2013534.