A Note on the Use of Cardiac Rate in the Audiometric Appraisal of Retarded Children
- 1 November 1962
- journal article
- research article
- Published by American Speech Language Hearing Association in Journal of Speech and Hearing Disorders
- Vol. 27 (4) , 378-379
- https://doi.org/10.1044/jshd.2704.378
Abstract
Three retarded children and two college students were used as subjects, all of whom had apparently normal thresholds for speech sounds. There was no alteration in the heart rate of mentally retarded children during the presentation of the 40 db tones, but a significant change in the heart rate of normal subjects. The effect of such sounds on the heart rate cannot be used in cases of mentally retarded children with mental ages below three years.Keywords
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