The Impact of Stimulus Length in Tongue and Lip Movement Pattern Stability in Amyotrophic Lateral Sclerosis.
Purpose: This study aimed to investigate the effect of stimulus signal length on tongue and lip motion pattern stability in speakers diagnosed with amyotrophic lateral sclerosis (ALS) compared to healthy controls. Method: Electromagnetic articulography was used to derive articulatory motion patterns...
| Publicado en: | Journal of Speech, Language & Hearing Research Vol. 67; pp. 4002 - 4015 |
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| Autores principales: | , , , |
| Formato: | Artículo |
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American Speech-Language-Hearing Association
Oct2024 Supplement
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| Materias: | |
| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ssf&AN=180509430&site=ehost-live header: @attributes: shortDbName: ssf uiTerm: 180509430 longDbName: Social Sciences Full Text (H.W. Wilson) uiTag: AN controlInfo: bkinfo: jinfo: jid: 10924388 1SM jtl: Journal of Speech, Language & Hearing Research issn: 10924388 maglogo: N pubinfo: dt: Oct2024 Supplement vid: 67 pid: 42 pub: American Speech-Language-Hearing Association artinfo: ui: 180509430 10.1044/2023_JSLHR-23-00079 ppf: 4002 ppct: 13 formats: fmt: @attributes: type: P size: 1.2MB tig: atl: The Impact of Stimulus Length in Tongue and Lip Movement Pattern Stability in Amyotrophic Lateral Sclerosis. aug: au: Teplansky, Kristin J. Wisler, Alan Goffman, Lisa Jun Wang affil: Department of Speech, Language, and Hearing Sciences, The University of Texas at Austin Department of Mathematics and Statistics, Utah State University, Logan Callier Center for Communication Disorders, The University of Texas at Dallas, Richardson Department of Neurology, The University of Texas at Austin su: Analysis of variance Tongue physiology Data analysis Research funding Descriptive statistics Amyotrophic lateral sclerosis Statistics Body movement Confidence intervals Lips sug: subj: Analysis of variance Tongue physiology Data analysis Research funding Descriptive statistics Amyotrophic lateral sclerosis Statistics Body movement Confidence intervals Lips ab: Purpose: This study aimed to investigate the effect of stimulus signal length on tongue and lip motion pattern stability in speakers diagnosed with amyotrophic lateral sclerosis (ALS) compared to healthy controls. Method: Electromagnetic articulography was used to derive articulatory motion patterns from individuals with mild (n = 27) and severe (n = 16) ALS and healthy controls (n = 25). The spatiotemporal index (STI) was used as a measure of articulatory stability. Two experiments were conducted to evaluate signal length effects on the STI: (a) the effect of the number of syllables on STI values and (b) increasing lengths of subcomponents of a single phrase. Two-way mixed analyses of variance were conducted to assess the effects of syllable length and group on the STI for the tongue tip (TT), tongue back (TB), and lower lip (LL). Results: Experiment 1 showed a significant main effect of syllable length (TT, p < .001; TB, p < .001; and LL, p < .001) and group (TT, p = .037; TB, p = .007; and LL, p = .017). TB and LL stability was generally higher with speech stimuli that included a greater number of syllables. Articulatory variability was significantly higher in speakers diagnosed with ALS compared to healthy controls. Experiment 2 showed a significant main effect of length (TT, p < .001; TB, p = .015; and LL, p < .001), providing additional support that STI values tend to be greater when calculated on longer speech signals. Conclusions: Articulatory stability is influenced by the length of speech signals and manifests similarly in both healthy speakers and persons with ALS. TT stability may be significantly impacted by phonemic content due to greater movement flexibility. Compared to healthy controls, there was an increase in articulatory variability in those with ALS, which likely reflects deviations in speech motor control. pubtype: Academic Journal doctype: Article src: R language: English refInfo: copyright: @attributes: flag: N holdings: @attributes: islocal: N |
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