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Using Wavelet Entropy to Demonstrate how Mindfulness Practice Increases Coordination between Irregular Cerebral and Cardiac Activities
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Cardiovascular and nervous system changes during meditation.

Steven R Steinhubl1, Nathan E Wineinger1, Sheila Patel2

  • 1Scripps Translational Science Institute La Jolla, CA, USA.

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|April 9, 2015
PubMed
Summary

Meditation causes immediate, varied neurological and cardiovascular changes, including a slight blood pressure drop, even in novices. This study used wearable sensors to monitor these physiological responses during meditation.

Keywords:
blood pressureheart rate variabilitymeditationpersonalized medicinewireless sensor technology

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Area of Science:

  • Neuroscience
  • Cardiovascular Physiology
  • Integrative Medicine

Background:

  • Long-term meditation benefits are known, but immediate neurological and cardiovascular responses remain understudied.
  • Wearable wireless sensors enable unprecedented multi-parameter monitoring during meditation.
  • This study investigates inter-individual variations in responses to meditation.

Observation:

  • Continuous monitoring of electroencephalography (EEG), blood pressure, and heart rate variability (HRV) was performed.
  • Participants included 20 novice and 20 experienced meditators during a week-long retreat.
  • Monitoring occurred during meditation sessions on the first and last days of the retreat.

Findings:

  • Meditation induced significant EEG changes, even in novices, differing from baseline.
  • A small but significant decrease in mean arterial blood pressure (2-3 mmHg) was observed during meditation.
  • The impact of meditation on HRV was variable and dependent on calculation methods and respiration; no clear correlations were found between EEG, HRV, and blood pressure changes.

Implications:

  • This research is the first to use wearable wireless devices for simultaneous neurological and cardiovascular monitoring during meditation.
  • Physiological responses to meditation exhibit significant inter-individual variability.
  • Further research is warranted to understand the short- and long-term cardiovascular effects of meditation and to develop personalized approaches.