Abstract
Electrophysiological characteristics of superior laryngeal nerve fibers and reflex responses in respiratory motor nerves and the recurrent nerve were investigated in acute experiments on cats under superficial pentobarbital anesthesia. Analysis of the compound action potential in the superior laryngeal nerve revealed three distinct groups of afferent fibers subserving different functions: group Aβ, responsible for proprioceptive mechanisms of coordination of activity of the laryngeal muscles; group Aγ(β3), responsible for feedback mechanisms between the receptor apparatus of the mucous membrane and muscles of the larynx and bulbar respiratory neurons, and group Aδ, responsible for the development of protective respiratory reflexes.
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