Article (Scientific journals)
Does the development of syntax comprehension show a premature asymptote among persons with Down syndrome? A cross-sectional analysis
Facon, Bruno; Magis, David
2019In American Journal on Intellectual and Developmental Disabilities
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Keywords :
Intellectual disability; Down syndrome; syntax comprehension; receptive vocabulary; developmental trajectory; critical period; premature asymptote
Abstract :
[en] Uncertainty persists regarding the post-childhood trajectory of syntactic acquisition of persons with Down syndrome (DS). In some studies asymptote is reached in the early teens, whereas others find syntax continuing to develop at least into early adulthood. This study addressed the issue using a cross-sectional approach. Receptive syntax and receptive vocabulary were tested in 62 children, adolescents and young adults with DS matched on CA and cognitive level with 62 participants with intellectual disability of undifferentiated etiology. On both tests there were significant effects of CA and diagnosis, but the CA × diagnosis interactions were nonsignificant. It is concluded that comprehension of vocabulary and syntax does not asymptote prematurely among persons with DS.
Disciplines :
Education & instruction
Author, co-author :
Facon, Bruno
Magis, David ;  Université de Liège - ULiège > Département de Psychologie > Département de Psychologie
Language :
English
Title :
Does the development of syntax comprehension show a premature asymptote among persons with Down syndrome? A cross-sectional analysis
Publication date :
2019
Journal title :
American Journal on Intellectual and Developmental Disabilities
ISSN :
1944-7515
eISSN :
1944-7558
Publisher :
American Association on Intellectual and Developmental Disabilities, United States
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 08 May 2018

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