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Language skill development in children with cochlear implants and the impact of age at switch-on

Hand, LS; Liu, CKY; Hardman, G; Mahon, H; (2022) Language skill development in children with cochlear implants and the impact of age at switch-on. Deafness and Education International 10.1080/14643154.2021.2001616. (In press).

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Abstract

Deaf and hard-of-hearing (DHH) children with cochlear implants (CwCIs) constitute a heterogeneous population. A multitude of factors influence their spoken language development. There is evidence that CwCIs follow similar trajectories in language development as typically developing (TD) children but there is a lack of research on specific types of skills. This study aimed to (1) map the trajectory of receptive and expressive language skill development of a representative group of CwCIs and (2) evaluate the impact of age at switch-on (ASO) on skill development. This paper presents a detailed analysis of the language outcomes of 44 CwCIs with ASO between 11 and 45 months (M = 26.02 SD = 8.31). These children were tracked for the first two years following implantation. Clustered bar charts were used to compare specific types of skills acquired by CwCIs with ASO ≤2 years versus >2 years. The results suggest that CwCIs generally acquire receptive and expressive language skills along a similar sequence to TD children, but there is individual variability relating to specific skills. However, the language outcomes of CwCIs are ultimately the result of a complex interplay of demographic variables.

Type: Article
Title: Language skill development in children with cochlear implants and the impact of age at switch-on
DOI: 10.1080/14643154.2021.2001616
Publisher version: https://doi.org/10.1080/14643154.2021.2001616
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: cochlear implant, age at switch-on language, language development, language outcome, language skill
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Language and Cognition
URI: https://discovery.ucl.ac.uk/id/eprint/10138405
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