TITLE

The Effects of Taste and Consistency on Swallow Physiology in Younger and Older Healthy Individuals:A Surface Electromyographic Study

AUTHOR(S)
Ding, Ruiying; Logemann, Jeri A.; Larson, Charles R.; Rademaker, Alfred W.
PUB. DATE
August 2003
SOURCE
Journal of Speech, Language & Hearing Research;Aug2003, Vol. 46 Issue 4, p977
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Recent studies done on healthy older individuals have demonstrated elevated taste thresholds for sweet, sour, and salty taste. At suprathreshold levels, such individuals have also shown less ability to discriminate between different intensities of the same tastant. This study was designed to provide information on swallow timing and muscle contraction intensity variables in healthy older people during swallowing of liquid and cottage cheese consistencies in 3 taste conditions (sweet, salty, and sour). Taste and consistency were incorporated in the design of this study to determine not only the effect of taste and consistency independently, but also the effects of taste and consistency in combination. Surface electromyography (EMG) at 3 sites--the orbicularis oris inferior region, submental muscle region, and infrahyoid muscle region--were included in the study.
ACCESSION #
10547073

 

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