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Japanese

HEARING TESTS BY USE OF STARTLING REACTIONS WITH PURETONE STIMULATION Keiko Maezawa 1 pp.5-7
Published Date 1965/1/20
DOI https://doi.org/10.11477/mf.1492203367
  • Abstract
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 Using startling reactions hearing tests were made in 51 infants considered as having a normal hearing whose ages ranging from 3 months to 2 years and 9 months. Both puretones and social sounds which consisted particularly of simulated barking tones of animals were used for stimulation.

 In infants aged below 13 months the average value of the threshold was 4.8dB higher in the puretone than the social sounds and likewise 13.8dB higher in those who were aged 14 months to 2 years and 9 months.

 When two types of stimulating tones were compared at similar threshold level the social sounds was easier to use and more definite in results than the puretone.


Copyright © 1965, 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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