Basic characteristics of tongue pressure and electromyography generated by articulation of a syllable using the posterior part of the tongue

The basic function of the tongue in pronouncing diadochokinesis and other syllables is not fully understood. This study investigates the influence of sound pressure levels and syllables on tongue pressure and muscle activity in 19 healthy adults (mean age: 28.2 years; range: 22–33 years). Tongue pre...

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Bibliographic Details
Published in:Scientific reports 2024-09, Vol.14 (1), p.20756-7, Article 20756
Main Authors: Manda, Yousuke, Kodama, Naoki, Mori, Keitaro, Adachi, Reimi, Matsugishi, Makoto, Minagi, Shogo
Format: Article
Language:English
Subjects:
631/443
692/308
Adult
Electromyography
Electromyography - methods
Female
Humanities and Social Sciences
Humans
Male
multidisciplinary
Muscle function
Muscles
Phonetics
Pressure
Science
Science (multidisciplinary)
Sound pressure
Speech - physiology
Tongue
Tongue - physiology
Young Adult
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Summary:The basic function of the tongue in pronouncing diadochokinesis and other syllables is not fully understood. This study investigates the influence of sound pressure levels and syllables on tongue pressure and muscle activity in 19 healthy adults (mean age: 28.2 years; range: 22–33 years). Tongue pressure and activity of the posterior tongue were measured using electromyography (EMG) when the velar stops /ka/, /ko/, /ga/, and /go/ were pronounced at 70, 60, 50, and 40 dB. Spearman's rank correlation revealed a significant, yet weak, positive association between tongue pressure and EMG activity (ρ = 0.14, p 
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-024-71909-y