Developmental Changes in Coarticulation Degree Relate to Differences in Articulatory Patterns: An Empirically Grounded Modeling Approach - Archive ouverte HAL
Article Dans Une Revue Journal of Speech, Language, and Hearing Research Année : 2022

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

Résumé

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.
Fichier principal
Vignette du fichier
Abakarova_EtAl_2022.pdf (1.3 Mo) Télécharger le fichier
Origine Publication financée par une institution
Licence

Dates et versions

hal-04086083 , version 1 (01-05-2023)

Licence

Identifiants

Citer

Dzhuma Abakarova, Susanne Fuchs, Aude Noiray. Developmental Changes in Coarticulation Degree Relate to Differences in Articulatory Patterns: An Empirically Grounded Modeling Approach. Journal of Speech, Language, and Hearing Research, 2022, 65 (9), pp.3276-3299. ⟨10.1044/2022_JSLHR-21-00212⟩. ⟨hal-04086083⟩
19 Consultations
51 Téléchargements

Altmetric

Partager

More