Role of Afferent Sensors in the Initiation of Swallowing in Man

Abstract
Chewing and swallowing sounds that were recorded on magnetic tape by means of a paralaryngeally placed contact microphone were used to evaluate temporal relationships of the events of the swallowing cycle in young women. Temporal inter-event parameters indicate a reflex nature for the initiation of swallowing, and the effects of topical anesthesia suggest a triggering mechanism for swallowing similar to the gating theory for pain proposed by Melzack and Wall.

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