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The physiology of meditation: a review. A wakeful hypometabolic integrated response.

R Jevning, R K Wallace, M Beidebach

Neuroscience & Biobehavioral Reviews 1992 DOI: 10.1016/s0149-7634(05)80210-6 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Theoretical or philosophical paper Peer reviewed
Intervention Transcendental meditation
Topics Meditation
Keywords Humans Relaxation therapy
Key points The authors hypothesize that meditation is an integrated response in which peripheral circulatory and metabolic changes support increased central nervous activity. They cite findings during TM such as increased cardiac output, probable increased cerebral blood flow, apparent cessation of muscle CO2 generation, fivefold plasma AVP elevation, and EEG synchrony as consistent with a state that is both very relaxed and very alert.

Abstract

While for centuries a wakeful and tranquil state or experience variously called "samadhi," "pure awareness," or "enlightenment" had been said to be a normal experience and the goal of meditation in Vedic, Buddhist, and Taoist traditions, there was little known about this behavior until recently, when the practice of "transcendental meditation" (TM) became available for study in Western scientific laboratories. Derived from the Vedic tradition, TM is unique because it requires no special circumstances or effort for practice. Based upon a wide spectrum of physiological data on TM, we hypothesize that meditation is an integrated response with peripheral circulatory and metabolic changes subserving increased central nervous activity. Consistent with the subjective description of meditation as a very relaxed but, at the same time, a very alert state, it is likely that such findings during meditation as increased cardiac output, probable increased cerebral blood flow, and findings reminiscent of the "extraordinary" character of classical reports: apparent cessation of CO2 generation by muscle, fivefold plasma AVP elevation, and EEG synchrony play critical roles in this putative response.

Comparable studies

Other theoretical and historical papers on meditation, most cited first.

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