高度難聴を有する一重度精神遅滞児の長期経過からみた補聴器の効果　　聴覚およびコミュニケーションの発達を中心に

DOI 被引用文献9件 参考文献18件

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  • Long-term Observations on Effects of Hearing Aids in a Child with Profound Mental Retardation Associated with Severe Hearing Loss. With Special Reference to Developments of Auditory Functions and Communication.
  • —With Special Reference to Developments of Auditory Functions and Communication—
  • ―聴覚およびコミュニケーションの発達を中心に―

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The purpose of the present paper is to describe effects of hearing aids on development of auditory functions and communication in a child with profound mental retardation with severe hearing loss.<BR>The child was a girl who first visited our clinic at the age of eleven months because of suspected hearing impairment. Results obtained by behavioral audiometry and a developmental test of auditory functions suggested that she had relatively good hearing. However, when she was two years and seven months old, she was found to have progressive hearing loss. Behavioral audiometry as well as brain stem response audiometry demonstrated that the child had severe hearing loss of approximately 80 dB. She was immediately enrolled in our home training program and provided with a bodyworn hearing aid. One initial effect of hearing aids was observed to be emergence of spontaneous egocentric vocal activities. She was a restless child, but with increase of age she came to behave obediently. At the age of 16 years, according to the mother's statement, the parents felt no difficulty in communication with her while she used hearing aids, although she was never able to acquire language capability because of her profound mental retardation. From our experience with this case, we strongly believe that to enable auditory communication in such a profoundly retarded child with severe hearing loss, long-lasting, patient rehabilitative or educational services as well as establishment of a cooperative team including parents, school teachers and related personnel are indispensable.

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