Abstract
The influence of hyperventilation on the electrical activity of the brain has conventionally been the subject of study of physiologists. The role of the brain in the adaptation to the inhalation of cold air remains to be understood in more detail. The aim of the study was to determine certain features of the cerebral response to isocapnic hyperventilation with cold air and to reveal the correlation of its electric activity in different modes of ventilation, with the pattern of quiet breathing and the forced expiration parameters. Twenty-one apparently healthy volunteers were subjected to comprehensive functional examination. Qualitative differences in the ϑ-rhythm relative power were revealed under the conditions of isocapnic hyperventilation with cold air. The specific features of the correlation of the electrical activity of the brain provoked by cold with the breathing pattern and the bronchomotor tone were revealed.
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