dorsal/arxiv
View SchemaExperimental evidence for phase synchronization transitions in human cardio-respiratory system
| Authors | Ronny Bartsch, Jan W. Kantelhardt, Thomas Penzel, Shlomo Havlin |
|---|---|
| Categories | |
| ArXiv ID | physics/0701326 |
| URL | https://arxiv.org/abs/physics/0701326 |
| DOI | 10.1103/PhysRevLett.98.054102 |
| Journal | Phys. Rev. Lett. 98, 054102 (2007) |
Abstract
Transitions in the dynamics of complex systems can be characterized by changes in the synchronization behavior of their components. Taking the human cardio-respiratory system as an example and using an automated procedure for screening the synchrograms of 112 healthy subjects we study the frequency and the distribution of synchronization episodes under different physiological conditions that occur during sleep. We find that phase synchronization between heartbeat and breathing is significantly enhanced during non-rapid-eye-movement (non-REM) sleep (deep sleep and light sleep) and reduced during REM sleep. Our results suggest that the synchronization is mainly due to a weak influence of the breathing oscillator upon the heartbeat oscillator, which is disturbed in the presence of long-term correlated noise, superimposed by the activity of higher brain regions during REM sleep.
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"abstract": "Transitions in the dynamics of complex systems can be characterized by\nchanges in the synchronization behavior of their components. Taking the human\ncardio-respiratory system as an example and using an automated procedure for\nscreening the synchrograms of 112 healthy subjects we study the frequency and\nthe distribution of synchronization episodes under different physiological\nconditions that occur during sleep. We find that phase synchronization between\nheartbeat and breathing is significantly enhanced during non-rapid-eye-movement\n(non-REM) sleep (deep sleep and light sleep) and reduced during REM sleep. Our\nresults suggest that the synchronization is mainly due to a weak influence of\nthe breathing oscillator upon the heartbeat oscillator, which is disturbed in\nthe presence of long-term correlated noise, superimposed by the activity of\nhigher brain regions during REM sleep.",
"arxiv_id": "physics/0701326",
"authors": [
"Ronny Bartsch",
"Jan W. Kantelhardt",
"Thomas Penzel",
"Shlomo Havlin"
],
"categories": [
"physics.data-an",
"physics.med-ph"
],
"doi": "10.1103/PhysRevLett.98.054102",
"journal_ref": "Phys. Rev. Lett. 98, 054102 (2007)",
"title": "Experimental evidence for phase synchronization transitions in human cardio-respiratory system",
"url": "https://arxiv.org/abs/physics/0701326"
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