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Language acquisition of early sequentially bilingual children is moderated by short-termmemory for order in developmental language disorder: Findings from the HelSLI study.
- Source :
- International Journal of Language & Communication Disorders; Sep/Oct2021, Vol. 56 Issue 5, p907-926, 20p
- Publication Year :
- 2021
-
Abstract
- Background: The role of domain-general short-term memory (STM) in language development remains controversial. A previous finding from the HelSLI study on children with developmental language disorder (DLD) suggested that not only verbal but also non-verbal STMfor temporal order is related to language acquisition in monolingual children with DLD. Aims: To investigate if a similar relationship could be replicated in a sample of sequentially bilingual children with DLD. In addition to the effect of age, the effect of cumulative second language (L2) exposure was studied. Methods & Procedures: Sixty-one 4-6-year-old bilingual children with DLD and 63 typically developing (TD) bilingual children participated in a crosssectional study conducted in their L2. Children completed novel game-like tests of visual and auditory non-verbal serial STM, as well as tests of cognitive functioning and language. Interactions of STM for order with age and exposure to L2 (Finnish) were explored as explanatory variables. Outcomes & Results: First, the improvement of non-verbal serial STMwith age was faster in sequentially bilingual TD children than in bilingual children with DLD.Asimilar effectwas observed for L2 exposure. However, when both age and exposurewere considered simultaneously, only agewas related to the differential growth of non-verbal STMfor order in the groups. Second, only in children with DLD was better non-verbal serial STM capacity related to an improvement in language scores with age and exposure. Conclusions & Implications: The results suggest that, as previously found in Finnish monolingual children, domain-general serial STM processing is also compromised in bilingual children with DLD. Further, similar to the monolingual findings, better non-verbal serial STM was associated with greater language improvement with age and exposure, but only in children with DLD, in the age range studied here. Thus, in clinical settings, assessing non-verbal serial STM of bilingual children could improve the detection of DLD and understanding of its non-linguistic symptoms. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 13682822
- Volume :
- 56
- Issue :
- 5
- Database :
- Complementary Index
- Journal :
- International Journal of Language & Communication Disorders
- Publication Type :
- Academic Journal
- Accession number :
- 153003640
- Full Text :
- https://doi.org/10.1111/1460-6984.12635