| Tongue pressure modulation during swallowing: water versus nectar-thick liquids. | |
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MedLine Citation:
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PMID: 20008678 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: Evidence of tongue-palate pressure modulation during swallowing between thin and nectar-thick liquids stimuli has been equivocal. This mirrors a lack of clear evidence in the literature of tongue and hyoid movement modulation between nectar-thick and thin liquid swallows. In the current investigation, the authors sought to confirm whether tongue-palate pressures are modulated between discrete swallows of water and nectar-thick juice. METHOD: Tongue-palate pressures were measured at 3 sites (anterior, medial, and posterior palate) using an adhered 3-bulb pressure strip in 20 healthy, young adults during discrete swallows of water and nectar-thick apple juice. RESULTS: Pressure modulation was not noted with respect to pressure amplitudes (in mm Hg), but was identified both in the pressure patterns observed (the sites and number of bulbs activated) and temporal aspects of pressure duration. CONCLUSION: Tongue-palate pressure amplitude modulation does not occur for nectar-thick swallows compared to thin liquid swallows. Modulation does, however, occur with respect to the tongue-palate contact surface area and pressure durations. The authors introduce the concept of pressure slope as a meaningful way to examine tongue-palate pressure application in swallowing. |
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Authors:
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Catriona M Steele; Gemma L Bailey; Sonja M Molfenter |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2009-12-14 |
Journal Detail:
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Title: Journal of speech, language, and hearing research : JSLHR Volume: 53 ISSN: 1558-9102 ISO Abbreviation: J. Speech Lang. Hear. Res. Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-04-02 Completed Date: 2010-07-01 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9705610 Medline TA: J Speech Lang Hear Res Country: United States |
Other Details:
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Languages: eng Pagination: 273-83 Citation Subset: IM |
Affiliation:
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Toronto Rehabilitation Institute, Toronto, ON M5G 2A2, Canada. steele.catriona@torontorehab.on.ca |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Deglutition / physiology* Female Humans Male Pressure* Time Factors Tongue / physiology* Viscosity Water Young Adult |
| Grant Support | |
ID/Acronym/Agency:
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69521//Canadian Institutes of Health Research; 82668//Canadian Institutes of Health Research; 83888//Canadian Institutes of Health Research; 84534//Canadian Institutes of Health Research |
| Chemical | |
Reg. No./Substance:
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7732-18-5/Water |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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