Om chanting, vagal activity and heart rate variability: current evidence and research perspectives: A narrative review
International Journal of Psychology Research August 1, 2026 Jyoti Madhur, Poonam Devdutt, Anubhav Madhur
Om (Aum) chanting is a Sanskrit vocalization practice with a long contemplative history that has, over the past two decades, become a focus of quantitative psychophysiological research. A growing body of work links audible Om chanting to measurable shifts in cardiac autonomic regulation, most consistently an increase in high-frequency heart rate variability (HRV) and other indices associated...