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pp.185-194
Published Date 1962/3/20
DOI https://doi.org/10.11477/mf.1492202817

 By employing play-audiometry among 243 infants between the ages from 2 to 6 inclusively measurements of bone-conduction hearing were attempted in order to establish a basis to which this type of hearing may be compared within this age group.The results were as follow:

 The bone-conduction hearing test can be conducted from the age 3;bilateral differentiation in the test becomes practical from the age 4.

 The results of bone-conduction tests among infants below the age 6 appear to be 2 to 10 db below those of the adults.In bilateral differentiation tests the results seemed to be slightly better than that obtained by general test.

 The dependablity of these tests appeared to be fairly acurate in results.


Copyright © 1962, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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