Effects of early cochlear implantation and hearing aid on Japanese language development.

DOI 2 Citations 21 References
  • Yamada Naoko
    Fukushima Rehabilitation Center for Children Department of Human Sciences, Shinshu University Graduate School of Medicine
  • Nishio Shin-ya
    Department of Otolaryngology, Shinshu University School of Medicine
  • Iwasaki Satoshi
    Department of Hearing Implant Sciences, Shinshu University School of Medicine
  • Takumi Yutaka
    Department of Otolaryngology, Shinshu University School of Medicine Department of Hearing Implant Sciences, Shinshu University School of Medicine
  • Usami Shin-ichi
    Department of Otolaryngology, Shinshu University School of Medicine
  • Fukushima Kunihiro
    Department of otolaryngology, Okayama University Medical School
  • Kasai Norio
    Department of otolaryngology, Okayama University Medical School The Association for Technical aids

Bibliographic Information

Other Title
  • 人工内耳と補聴器の装用開始年齢による言語発達検査結果の検討

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Description

This study was aimed at investigating the relationship between the age at cochlear implantation (CI) and language development using a set of Japanese language assessment test battery, consisting of communication skills testing, vocabulary testing, and syntax testing. Of the 638 hearing-impaired children enrolled, 182 children (83 males and 99 females) with CI were included in this study. They were fitted with their first hearing aids (HA) at 27 months and underwent CI at 42 months, on average. Subjects were classified into four groups according to the age at CI and at the first fitting of HA, as follows: 1) early CI and HA group, 2) early HA and delayed CI group, 3) early CI and delayed HA group, 4) delayed CI and HA group. Our study showed that early cochlear implantation was beneficial for the development of productive vocabulary and syntax, and early fitting of HA was beneficial for the development comprehensive vocabulary and syntax. We concluded that early auditory input is effective for the development of language comprehension, and early development of speech discrimination is effective for the development of language production.

Journal

  • AUDIOLOGY JAPAN

    AUDIOLOGY JAPAN 55 (3), 175-181, 2012

    Japan Audiological Society

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