Chemical and Non-Chemical Contributions to Breathing in Man, Awake and Asleep

  • A. K. Datta
  • S. A. Shea
  • A. Guz

Abstract

Hypocapnia reproducibly elicits apnoea during anaesthesia in animals and man (Fredericq, 1901; Fink, 1961). However in conscious man during wakefulness there are very variable responses (Douglas and Haldane, 1909; Bainton and Mitchell, 1966). This variability in awake man may be due to behavioural influences upon breathing related to the subjects’ expectations concerning the experiment - which would presumably disappear during sleep. We have therefore examined the effect of sleep onset on the respiratory rhythm during hypocapnia produced by passive mechanical hyperventilation (PMH) during quiet relaxed wakefulness and sleep.

Keywords

Sleep Stage Apply Physiology Alpha Rhythm Respiratory Rhythm Nasal Mask 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • A. K. Datta
    • 1
    • 2
  • S. A. Shea
    • 2
  • A. Guz
    • 2
  1. 1.Departments of MedicineUnited Medical & Dental Schools of Guy’s and St. Thomas’ St. Thomas’ HospitalLondonUK
  2. 2.Departments of MedicineCharing Cross & Westminster Medical SchoolLondonUK

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