Developmental Changes in Coarticulation Degree Relate to Differences in Articulatory Patterns: An Empirically Grounded Modeling Approach

Autor/inn/en	Abakarova, Dzhuma; Fuchs, Susanne; Noiray, Aude
Titel	Developmental Changes in Coarticulation Degree Relate to Differences in Articulatory Patterns: An Empirically Grounded Modeling Approach
Quelle	In: Journal of Speech, Language, and Hearing Research, 65 (2022) 9, S.3276-3299 (24 Seiten) PDF als Volltext Verfügbarkeit
Zusatzinformation	ORCID (Abakarova, Dzhuma)
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	1092-4388
Schlagwörter	Articulation (Education); Syllables; Children; Adults; Age Differences; Speech Communication; Psychomotor Skills; Foreign Countries; Germany + Suchen Sie Ihr Suchwort? Articulation; Artikulation (Ling); Artikulation; Aussprache; Silbe; Child; Kind; Kinder; Age; Difference; Age difference; Altersunterschied; Psychomotorische Aktivität; Ausland; Deutschland
Abstract	Purpose: Coarticulatory effects in speech vary across development, but the sources of this variation remain unclear. This study investigated whether developmental differences in intrasyllabic coarticulation degree could be explained by differences in children's articulatory patterns compared to adults. Method: To address this question, we first compared the tongue configurations of 3- to 7-year-old German children to those of adults. The observed developmental differences were then examined through simulations with Task Dynamics Application, a Task Dynamics simulation system, to establish which articulatory modifications could best reproduce the empirical results. To generate syllables simulating the lack of tongue gesture differentiation, we tested three simulation scenarios. Results: We found that younger speakers use less differentiated articulatory patterns to achieve alveolar constrictions than adults. The simulations corresponding to undifferentiated control of tongue tip and tongue body resulted in: (a) tongue shapes similar to those observed in natural speech; and (b) higher degrees of intrasyllabic coarticulation in children when compared to adults. Conclusions: Results provide evidence that differences in articulatory patterns contribute to developmental differences in coarticulation degree. This study further shows that empirically informed modeling can advance our understanding of changes in coarticulatory patterns across age. (As Provided).
Anmerkungen	American Speech-Language-Hearing Association. 2200 Research Blvd #250, Rockville, MD 20850. Tel: 301-296-5700; Fax: 301-296-8580; e-mail: slhr@asha.org; Web site: http://jslhr.pubs.asha.org
Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2024/1/01