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Breathing pattern in humans: diversity and individuality.

G Benchetrit1

  • 1Laboratoire de Physiologie Respiratoire Expérimentale, Théorique et Appliquée (PRETA-TIMC, UMR CNRS 5525), Faculté de Médecine de Grenoble, Université Joseph Fourier, 38700, La Tronche, France. gila.benchetrit@imag.fr

Respiration Physiology
|September 1, 2000
PubMed
Summary

Adults exhibit unique, stable breathing patterns, characterized by variations in breath volume, timing, and airflow. This individual breathing signature is reproducible over time and across conditions, impacting physiological studies.

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Area of Science:

  • Physiology
  • Respiratory Mechanics
  • Human Physiology

Background:

  • Breathing patterns in awake adults at rest display significant diversity.
  • Variability exists in tidal volume, inspiratory/expiratory durations, and airflow profiles.
  • Breath-to-breath fluctuations in ventilatory variables are consistently observed.

Purpose of the Study:

  • To investigate the individuality and stability of human breathing patterns.
  • To explore the underlying mechanisms of breathing variability.
  • To discuss the implications of individual breathing patterns in physiological research.

Main Methods:

  • Analysis of resting ventilation in adult human subjects.
  • Assessment of tidal volume, inspiratory and expiratory durations, and airflow profiles.

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  • Evaluation of breath-to-breath variability and pattern reproducibility.

    • Main Results:

    • Significant diversity in breathing patterns, including tidal volume, timing, and airflow, was observed.
    • Non-random, breath-to-breath fluctuations in ventilatory variables were identified.
    • Each individual demonstrated a unique, stable, and reproducible breathing pattern over time.

    Conclusions:

    • Individual breathing patterns are a stable characteristic of adults.
    • Breathing pattern individuality may influence physiological measurements and requires consideration in study design.
    • Further research is needed to understand the physiological consequences of distinct breathing patterns.