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Grammatical Abilities in Young Cochlear Implant Recipients and Children With Normal Hearing Matched by Vocabulary Size.
Am J Speech Lang Pathol. 2018 05 03; 27(2):751-764.AJ

Abstract

Purpose

This study sought to expand understanding of the impact of cochlear implantation on grammatical acquisition by comparing young children who have vocabularies of comparable size. Two research questions were investigated: (a) Do young cochlear implant (CI) recipients have grammatical skills comparable to those of children with normal hearing (NH) matched by spoken vocabulary size? (b) Do these groups show associations between vocabulary size and grammatical measures?

Method

The participants included 13 CI recipients at 24 months postactivation (chronological ages = 33-60 months; M = 44.62) and 13 children with NH between 27 and 30 months old (M = 20.69). The 2 groups were matched by their vocabulary size. Four grammatical outcomes were analyzed from the MacArthur Communicative Development Inventory (Fenson, Marchman, Thal, Dale, & Reznick, 2007) and 20-min language samples: (a) grammatical complexity, (b) mean length of utterances, (c) tense marker total, and (d) productivity scores.

Results

The 2 groups showed comparable grammatical skills across the 4 measures. Consistently significant associations between vocabulary size and grammatical outcomes were found in the CI group, with fewer associations in the NH group.

Conclusions

The 2 groups showed similar grammatical abilities. The young CI recipients appeared to be following a typical pattern of linguistic development.

Authors+Show Affiliations

Purdue University, West Lafayette, IN.Purdue University, West Lafayette, IN.

Pub Type(s)

Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

29625430

Citation

Jung, Jongmin, and David J. Ertmer. "Grammatical Abilities in Young Cochlear Implant Recipients and Children With Normal Hearing Matched By Vocabulary Size." American Journal of Speech-language Pathology, vol. 27, no. 2, 2018, pp. 751-764.
Jung J, Ertmer DJ. Grammatical Abilities in Young Cochlear Implant Recipients and Children With Normal Hearing Matched by Vocabulary Size. Am J Speech Lang Pathol. 2018;27(2):751-764.
Jung, J., & Ertmer, D. J. (2018). Grammatical Abilities in Young Cochlear Implant Recipients and Children With Normal Hearing Matched by Vocabulary Size. American Journal of Speech-language Pathology, 27(2), 751-764. https://doi.org/10.1044/2018_AJSLP-16-0164
Jung J, Ertmer DJ. Grammatical Abilities in Young Cochlear Implant Recipients and Children With Normal Hearing Matched By Vocabulary Size. Am J Speech Lang Pathol. 2018 05 3;27(2):751-764. PubMed PMID: 29625430.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Grammatical Abilities in Young Cochlear Implant Recipients and Children With Normal Hearing Matched by Vocabulary Size. AU - Jung,Jongmin, AU - Ertmer,David J, PY - 2016/09/26/received PY - 2017/12/17/accepted PY - 2018/4/7/pubmed PY - 2019/10/17/medline PY - 2018/4/7/entrez SP - 751 EP - 764 JF - American journal of speech-language pathology JO - Am J Speech Lang Pathol VL - 27 IS - 2 N2 - Purpose: This study sought to expand understanding of the impact of cochlear implantation on grammatical acquisition by comparing young children who have vocabularies of comparable size. Two research questions were investigated: (a) Do young cochlear implant (CI) recipients have grammatical skills comparable to those of children with normal hearing (NH) matched by spoken vocabulary size? (b) Do these groups show associations between vocabulary size and grammatical measures? Method: The participants included 13 CI recipients at 24 months postactivation (chronological ages = 33-60 months; M = 44.62) and 13 children with NH between 27 and 30 months old (M = 20.69). The 2 groups were matched by their vocabulary size. Four grammatical outcomes were analyzed from the MacArthur Communicative Development Inventory (Fenson, Marchman, Thal, Dale, & Reznick, 2007) and 20-min language samples: (a) grammatical complexity, (b) mean length of utterances, (c) tense marker total, and (d) productivity scores. Results: The 2 groups showed comparable grammatical skills across the 4 measures. Consistently significant associations between vocabulary size and grammatical outcomes were found in the CI group, with fewer associations in the NH group. Conclusions: The 2 groups showed similar grammatical abilities. The young CI recipients appeared to be following a typical pattern of linguistic development. SN - 1558-9110 UR - https://www.unboundmedicine.com/medline/citation/29625430/Grammatical_Abilities_in_Young_Cochlear_Implant_Recipients_and_Children_With_Normal_Hearing_Matched_by_Vocabulary_Size_ L2 - https://pubs.asha.org/doi/full/10.1044/2018_AJSLP-16-0164?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -