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Linguistic disfluency induced by nonword and sentence repetition tasks in preschool children with and without vocabulary delay

Title
Linguistic disfluency induced by nonword and sentence repetition tasks in preschool children with and without vocabulary delay
Authors
Yang Y.Sim H.S.Yim D.
Ewha Authors
심현섭임동선
SCOPUS Author ID
심현섭scopus; 임동선scopus
Issue Date
2017
Journal Title
Communication Sciences and Disorders
ISSN
2288-1328JCR Link
Citation
Communication Sciences and Disorders vol. 22, no. 4, pp. 657 - 668
Keywords
Linguistic disfluencyNonword repetitionPhonological memory loadPreschool language delaySentence repetition
Publisher
Korean Academy of Speech-Language Pathology and Audiology
Indexed
SCOPUS scopus
Document Type
Article
Abstract
Objectives: All children demonstrate subtle linguistic disfluencies; children with vocabulary delay (VD), regardless of the presence of speech disorders, tend to produce disfluencies when phonological (linguistic) demands exceed their capacities. The current study examined whether the subtypes of linguistic disfluencies induced by nonword repetition (NWR) and sentence repetition (SR) tasks can discriminate between children with VD those without VD. Methods: Seventeen children with VD between the ages of 5 to 6 and 18 agematched children with normal language (NL) participated in this study. Participants' performance was assessed with NWR and SR, which impose a load on phonological memory. We analyzed speech samples collected during two repetition tasks. Repeated measured ANOVA, Pearson product-moment correlation, and stepwise multiple regression were used for data analysis. Results: Significant differences were found according to group and disfluency subtype. In the VD group, expressive vocabulary scores only correlated with R2 (Repetition2) in SR; this did not significantly correlate with any of the linguistic subtypes in the NL group. R2 in SR in the VD group showed significant predictive power for expressive vocabulary scores. Conclusion: These results demonstrate that linguistic disfluencies are more common in VD than NL groups. The VD children produced more disfluencies, especially with sentence level stimuli; these stimuli may place a greater phonological processing load on the children to recall content. Such a phonological (linguistic) load may negatively influence their speech planning and production. © 2017 Korean Academy of Speech-Language Pathology and Audiology.
DOI
10.12963/csd.17414
Appears in Collections:
사범대학 > 언어병리학과 > Journal papers
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