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Cross-correlation of heartbeat and respiration rhythms

Author

Listed:
  • Capurro, A.
  • Malta, C.P.
  • Diambra, L.
  • Contreras, P.
  • Migliaro, E.R.

Abstract

The cross-correlation function between respiration and heart beat interval series shows that during metronomized breathing11Metronomized breathing refers to the situation where a subject breathes following the rhythm of a metronome. the heart beat follows the respiration more closely than during spontaneous breathing. We reproduced the heart beat interval modulations during metronomized breathing using a biophysical model of the sinoatrial node excited by an input signal formed by the recorded respiration. In the case of spontaneous breathing, a good agreement with the experimental data was obtained only by using an input signal formed by the sum of the recorded respiration and a realization of correlated noise.

Suggested Citation

  • Capurro, A. & Malta, C.P. & Diambra, L. & Contreras, P. & Migliaro, E.R., 2005. "Cross-correlation of heartbeat and respiration rhythms," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 356(1), pages 37-42.
    • Handle: RePEc:eee:phsmap:v:356:y:2005:i:1:p:37-42
    DOI: 10.1016/j.physa.2005.05.009
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    Cited by:

    1. Capurro, Alberto & Malta, Coraci P. & Diambra, Luis & Contreras, Paola & Migliaro, Eduardo R., 2007. "Respiratory modulation of heart beat-to-beat interval in diabetic patients," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 378(2), pages 336-344.

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