ArticleJournal of speech, language, and hearing research : JSLHR2025
Disease-Specific Speech Movement Characteristics of the Tongue and Jaw.
Article in Journal of speech, language, and hearing research : JSLHR, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Language skills in Parkinson's disease: state of the art.Dementia & neuropsychologia · 2026Review
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2 authors.
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Abstract
purposeTo advance our understanding of disease-specific articulatory impairment patterns in speakers with dysarthria, this study investigated the articulatory performance of the tongue and jaw in speakers with differing neurological diseases (Parkinson's disease [PD], amyotrophic lateral sclerosis, multiple sclerosis, and Huntington's disease).
methodFifty-seven speakers with dysarthria and 30 controls produced the sentence "Buy Kaia a kite" five times. A three-dimensional electromagnetic articulography was used to record the articulatory movements of the posterior tongue and jaw. Sentence-length kinematic measures (e.g., duration, tongue range of motion [ROM], jaw ROM, tongue speed, jaw speed) were extracted.
resultsResults revealed significant group effects for the duration, jaw ROM, and tongue speed but not for tongue ROM. Post hoc pairwise comparisons revealed more significant between-groups differences for duration and jaw ROM than for tongue speed. Statistically significant findings between clinical groups were predominantly driven by the difference between speakers with PD and speakers of other clinical groups.
conclusionsReduced jaw ROM and trends toward reduced tongue ROM confirm hypokinesia as a distinguishing motor feature of speakers with PD. However, deviancies in speed or movement duration did not emerge as a distinguishing motor feature for any of the four studied clinical groups. Nevertheless, movement duration, but not movement speed, may be useful to index dysarthria severity.
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