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- Title
Noninvasive Measurement of Tongue Pressure and Its Correlation with Swallowing and Respiration.
- Authors
Shieh, Wann-Yun; Wang, Chin-Man; Cheng, Hsin-Yi Kathy; Imbang, Titilianty Ignatia; Caiani, Enrico G.
- Abstract
Tongue pressure plays a critical role in the oral and pharyngeal stages of swallowing, contributing considerably to bolus formation and manipulation as well as to safe transporting of food from the mouth to the stomach. Smooth swallowing relies not only on effective coordination of respiration and pharynx motions but also on sufficient tongue pressure. Conventional methods of measuring tongue pressure involve attaching a pressure sheet to the hard palate to monitor the force exerted by the tongue tip against the hard palate. In this study, an air bulb was inserted in the anterior oral cavity to monitor the pressure exerted by the extrinsic and intrinsic muscles of the tongue. The air bulb was integrated into a noninvasive, multisensor approach to evaluate the correlation of the tongue pressure with other swallowing responses, such as respiratory nasal flow, submental muscle movement, and thyroid cartilage excursion. An autodetection program was implemented for the automatic identification of swallowing patterns and parameters from each sensor. The experimental results indicated that the proposed method is sensitive in measuring the tongue pressure, and the tongue pressure was found to have a strong positive correlation with the submental muscle movement during swallowing.
- Subjects
PRESSURE measurement; DEGLUTITION; RESPIRATION; TRACHEAL cartilage; HARD palate; HYPOGLOSSAL nerve; RESPIRATORY muscles
- Publication
Sensors (14248220), 2021, Vol 21, Issue 8, p2603
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s21082603