期刊
COMPREHENSIVE PHYSIOLOGY
卷 2, 期 4, 页码 2443-2469出版社
WILEY
DOI: 10.1002/cphy.c100015
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资金
- Center of Molecular Physiology of the Brain
- Bernstein Center for Computational Neurosciences at Gottingen
- National Institutes Health (National Heart, Lung and Blood Institute)
- American Lung Association
Pontine respiratory nuclei provide synaptic input to medullary rhythmogenic circuits to shape and adapt the breathing pattern. An understanding of this statement depends on appreciating breathing as a behavior, rather than a stereotypic rhythm. In this review, we focus on the pontine-mediated inspiratory off-switch (IOS) associated with postinspiratory glottal constriction. Further, IOS is examined in the context of pontine regulation of glottal resistance in response to multi-modal sensory inputs and higher commands, which in turn rules timing, duration, and patterning of respiratory airflow. In addition, network plasticity in respiratory control emerges during the development of the pons. Synaptic plasticity is required for dynamic and efficient modulation of the expiratory breathing pattern to cope with rapid changes from eupneic to adaptive breathing linked to exploratory (foraging and sniffing) and expulsive (vocalizing, coughing, sneezing, and retching) behaviors, as well as conveyance of basic emotions. The speed and complexity of changes in the breathing pattern of behaving animals implies that learning to breathe is necessary to adjust to changing internal and external states to maintain homeostasis and survival. (C) 2012 American Physiological Society. Compr Physiol 2:2443-2469, 2012.
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