Key result
Meditation induces coherent heart rate oscillations and shifts the inverse power law index μ from near 2 toward 3, indicating a transition toward the Gaussian basin of attraction and a reduction in stress.
Why the study?
Does meditation alter the heart rate variability power spectrum and inverse power law index in human subjects?
Does meditation alter the heart rate variability power spectrum and inverse power law index in human subjects?
Meditation alters heart rate variability dynamics by inducing coherence and shifting the inverse power law index, providing a potential quantitative measure of stress reduction.
May provide HRV-based stress marker; hypothesis-generating and requires clinical validation before adoption.
In this paper, we emphasize that 1/f noise has two different origins, one compatible with Laplace determinism and one determined by unpredictable crucial events. The dynamics of heartbeats, manifest as heart rate variability (HRV) time series, are determined by the joint action of these different memory sources with meditation turning the Laplace memory into a strongly coherent process while exerting an action on the crucial events favoring the transition from the condition of ideal 1=f noise to the Gaussian basin of attraction. This theoretical development affords a method of statistical analysis that establishes a quantitative approach to the evaluation of the stress reduction realized by the practice of Chi meditation and Kundalini Yoga.
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Tuladhar et al. (2018) studied Healthy (n=12). Chi meditation and Kundalini Yoga vs. Pre-meditation baseline was evaluated on Change in Inverse Power Law (IPL) index μ and stress-related Poisson events. Meditation induces coherent heart rate oscillations and shifts the inverse power law index μ from near 2 toward 3, indicating a transition toward the Gaussian basin of attraction and a reduction in stress.
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