Effect and Limit of Preschool Speech Therapy by Auditory Training Method, Aiming to Overcome "Stagnation of Development at Age 9". Summary of findings for 23 years.:—Summary of findings for 23 years—

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A retrospective study was performed on 391 hearing-handicapped preschoolers who had received speech therapy by auditory training method between April 1970 and March 1993. Major findings were as follows:<BR>1. One hundred and forty-seven of the 391 cases (38%) were able to overcome "stagnation of development at age 9" (abbr. "stagnation") .<BR>2. Statistical tests were performed for 10 items : degree of hearing handicap, performance IQ, additional complications, training start-age, training duration, mode of amplification, effect of hearing aid, speech therapy program, parental leadership and integration in nursery school. In each instance strong correlations were detected between these items and "stagnation."<BR>3. The ages of 3, 4 and 6 are particularly important in language development. It is especially vital to acquire speech ability (including verbal IQ) beyond chronological age level at age 6 in order to overcome "stagnation."<BR>4. A revised check-list and criteria of language ability (first plan) were made based on the above clinical results. Their completion is a topic of study for the future.
日本音声言語医学会の論文