Bioelectronic Measurement of Nasality in Trainable Mentally Retarded Children Fifty trainable mentally retarded children were evaluated with TONAR II, a bioelectronic instrument for detecting and quantitatively measuring voice parameters. Results indicated that one-half of the children tested were hypernasal. The strikingly high prevalence of excessive nasality was contrasted with results obtained from 64 nonretarded children and 50 educable retarded ... Articles
Articles  |   August 01, 1977
Bioelectronic Measurement of Nasality in Trainable Mentally Retarded Children
 
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Article Information
Articles   |   August 01, 1977
Bioelectronic Measurement of Nasality in Trainable Mentally Retarded Children
Journal of Speech and Hearing Disorders, August 1977, Vol. 42, 436-439. doi:10.1044/jshd.4203.436
History: Received October 4, 1976 , Accepted January 13, 1977
 
Journal of Speech and Hearing Disorders, August 1977, Vol. 42, 436-439. doi:10.1044/jshd.4203.436
History: Received October 4, 1976; Accepted January 13, 1977

Fifty trainable mentally retarded children were evaluated with TONAR II, a bioelectronic instrument for detecting and quantitatively measuring voice parameters. Results indicated that one-half of the children tested were hypernasal. The strikingly high prevalence of excessive nasality was contrasted with results obtained from 64 nonretarded children and 50 educable retarded children tested with the same instrument. The study demonstrated the need of retarded persons for improved voice and resonance.

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