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Autonomic system modification in Zen practitioners.

Alessandra Fiorentini1, Josuel Ora, Luigi Tubani

  • 1U.O.C Geriatria e Medicina, COB, Viterbo, Italy.

Indian Journal of Medical Sciences
|January 29, 2014
PubMed
Summary
This summary is machine-generated.

Zen meditation, characterized by slow breathing, influences heart rate variability and may permanently reset circulatory rhythms by reducing chemoreflex sensitivity.

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Area of Science:

  • Cardiorespiratory interaction
  • Psychosomatic medicine
  • Autonomic nervous system function

Background:

  • Meditation offers potential well-being and health benefits, possibly by enhancing salutogenesis.
  • Low-frequency breathing patterns are common in meditation, impacting cardiorespiratory interaction.
  • Zazen meditation breathing naturally influences respiratory cycles and heart rate variability (HRV).

Purpose of the Study:

  • To investigate the effects of Zazen meditation on heart rate variability.
  • To explore the relationship between breathing patterns and autonomic nervous system function during meditation.

Main Methods:

  • Evaluated autonomic nervous system function using 24-hour ECG recordings in nine experienced Zen practitioners.
  • Analyzed heart rate variability (HRV) during Zazen meditation and at rest.

Main Results:

  • Zazen breathing patterns align with low-frequency heart rate spectral bands.
  • Heart rate spectral power modifications persisted even during normal breathing post-meditation.

Conclusions:

  • Altered breathing rates during meditation may modulate chemoreflex responses.
  • Sustained slow breathing practice could lead to reduced chemoreflex sensitivity.
  • These autonomic control changes may result in permanent resetting of endogenous circulatory rhythms.