Validation of Clinical Observations of Mastication in Persons with ALS

Dysphagia
Meg SimioneJordan R Green

Abstract

Amyotrophic lateral sclerosis (ALS) is a progressive neurological disease that can result in difficulties with mastication leading to malnutrition, choking or aspiration, and reduced quality of life. When evaluating mastication, clinicians primarily observe spatial and temporal aspects of jaw motion. The reliability and validity of clinical observations for detecting jaw movement abnormalities is unknown. The purpose of this study is to determine the reliability and validity of clinician-based ratings of chewing performance in neuro-typical controls and persons with varying degrees of chewing impairments due to ALS. Adults chewed a solid food consistency while full-face video were recorded along with jaw kinematic data using a 3D optical motion capture system. Five experienced speech-language pathologists watched the videos and rated the spatial and temporal aspects of chewing performance. The jaw kinematic data served as the gold-standard for validating the clinicians' ratings. Results showed that the clinician-based rating of temporal aspects of chewing performance had strong inter-rater reliability and correlated well with comparable kinematic measures. In contrast, the reliability of rating the spatial and spatiotemporal as...Continue Reading

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Citations

Apr 21, 2017·Amyotrophic Lateral Sclerosis & Frontotemporal Degeneration·Emily K PlowmanGary Pattee
Feb 16, 2018·Journal of Texture Studies·Arran WilsonDuncan Hedderley
Mar 27, 2018·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·R A SmithE P Pioro
Nov 2, 2018·Journal of Speech, Language, and Hearing Research : JSLHR·Elaine KearneyYana Yunusova
Dec 9, 2020·American Journal of Speech-language Pathology·Ashley A WaitoYana Yunusova

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R Development Core Team
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MATLAB
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