PMID: 40093Jan 1, 1979

The brain's role in exercise hyperpnea

Medicine and Science in Sports
J A DempseyE B Olson


Three aspects concerning the role of the central nervous system in the control of exercise hyperpnea are reviewed. First, the integration of sensory input stresses the concept of multiple sites of integration--with the end result that both adequate gas exchange and near-optimal mechanical response of the lung and chest wall are achieved during exercise. Secondly, the potential role of the "central" [H+] chemoreceptor is discussed--in terms of the mechanisms available for the protection of brain ECF [H+] and the stimulus-response characteristics of this important chemical sensor and a critical analysis of how it may be evaluated. Finally, the question of forebrain influences on exercise hyperpnea and the "sensation" of ventilatory effect is discussed, with particular emphasis on the multi-purpose regulation of breathing in athletic endeavors.

Related Concepts

Cerebrovascular Circulation
Chemoreceptor Cells
Hydrogen-Ion Concentration
Pontine Structure

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