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Journal of Speech and Hearing Research Vol.34 929-943 August 1991.
© American Speech-Language-Hearing Association
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Teaching Consonants to Profoundly Hearing-Impaired Speakers Using Palatometry

Samuel G. Fletcher 1
Paul A. Dagenais 1

Paula Critz-Crosby 1
1 University of Alabama at Birmingham

Five profoundly hearing-impaired children were taught the consonants /t,d,k,g,s,zint/ using palatometry. Changes in linguapalatal contact patterns and listener perceptions showed significant improvement in the place and manner of consonants produced by all subjects. Velar stops were as easily and accurately learned as alveolar stops. Distinctive sibilants were also found by the end of training. Sounds not previously present in a subject's phonetic repetoire were learned more accurately than those present but inaccurate prior to therapy. Voicing errors persisted. Two of the subjects showed evidence of newly established, unsolicited coarticulated movements. The results indicated that visual articulatory modeling and feedback of linguapalatal contact patterns is an effective means of teaching consonants and improving speech intelligibility.

KEY WORDS: hearing impaired, speech production, consonants, palatometry, electropalatography

Submitted on January 23, 1990
Accepted on November 1, 1990


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