Primary role of respiratory afferents in sustaining breathing rhythm.

  title={Primary role of respiratory afferents in sustaining breathing rhythm.},
  author={Colin E Sullivan and Louise F Kozar and Elizabeth Murphy and Eliot A Phillipson},
  journal={Journal of applied physiology: respiratory, environmental and exercise physiology},
  volume={45 1},
We studied the effects on breathing rhythm of suppressing the major respiratory stimuli (wakefulness, vagal, peripheral and central chemoreceptors) in healthy, unanesthetized dogs. Respiratory frequency (f) was obtained with a pneumotachograph; the state of wakefulness (W) or sleep was determined by EEG and behavioral criteria. During quiet W, f averaged 17 breaths/min and minute volume of ventilation (VI), 8.4 l/min. In slow-wave sleep (SWS), f slowed to 14 breaths/min, and VI decreased to 6.8… CONTINUE READING
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