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Syntactic development in Japanese hearing-impaired children.

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1
Department of Otolaryngology-Head and Neck Surgery, Okayama University Postgraduate School of Medicine, Dentistry, and Pharmaceutical Science, Okayama, Japan.

Abstract

OBJECTIVES:

This study examined syntactic development of auditory comprehension of sentences in Japanese-speaking school-age children with and without hearing impairment.

METHODS:

In total, 592 preschool and school-age children (421 normal-hearing and 171 hearing-impaired) were included in this cross-sectional observation study conducted using the Syntactic Processing Test for Aphasia for Japanese language users. Linear regression analysis was used to determine the estimated age at which each syntactic structure was acquired.

RESULTS:

Acquisition of syntactic structures was observed in hearing-impaired and normal-hearing children. Basic word order sentences of agent-object-verb and the goal benefactive construction were acquired at preschool age (earlier group), whereas reverse word order sentences of object-agent-verb, source benefactive construction, passive voice, and relative clauses were acquired at school age (later group). The results showed that many hearing-impaired children may not acquire Japanese grammatical structures until the age of 12 years.

CONCLUSIONS:

Adequate screening for language development for school-age hearing-impaired children is required for an effective intervention.

PMID:
22616277
[Indexed for MEDLINE]
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