Early Vocal Development in Tactually Aided Children With Severe-Profound Hearing Loss The vocalizations of six children with severe-profound hearing loss were audio-recorded in two conditions during individual speech-language intervention sessions: (a) auditory amplification alone, and (b) auditory amplification plus the Tactaid II, a two-channel vibrotactile device (Franklin, 1986). Utterances were categorized according to the infraphonological framework described by Oller (1980, 1986) ... Research Article
Research Article  |   June 01, 1994
Early Vocal Development in Tactually Aided Children With Severe-Profound Hearing Loss
 
Author Affiliations & Notes
  • Michele L. Steffens
    Departments of Psychology and Pediatrics
  • Rebecca E. Eilers
    Departments of Psychology, Otolaryngology, and Pediatrics
  • Linda Fishman
    Departments of Psychology and Pediatrics
  • D. Kimbrough Oller
    Departments of Psychology, Otolaryngology, and Pediatrics
  • Richard C. Urbano
    Department of Pediatrics University of Miami Miami, FL
  • Contact author: Michèle L. Steffens, MS, Mailman Center for Child Development, P.O. Box 016820,1601 N.W. 12th Avenue, Miami, FL 33101. E-mail: msteffen@peds.med.miami.edu
Article Information
Hearing Disorders / Speech, Voice & Prosody / Hearing / Research Articles
Research Article   |   June 01, 1994
Early Vocal Development in Tactually Aided Children With Severe-Profound Hearing Loss
Journal of Speech, Language, and Hearing Research, June 1994, Vol. 37, 700-711. doi:10.1044/jshr.3703.700
History: Received June 10, 1993 , Accepted January 13, 1994
 
Journal of Speech, Language, and Hearing Research, June 1994, Vol. 37, 700-711. doi:10.1044/jshr.3703.700
History: Received June 10, 1993; Accepted January 13, 1994

The vocalizations of six children with severe-profound hearing loss were audio-recorded in two conditions during individual speech-language intervention sessions: (a) auditory amplification alone, and (b) auditory amplification plus the Tactaid II, a two-channel vibrotactile device (Franklin, 1986). Utterances were categorized according to the infraphonological framework described by Oller (1980, 1986) and Oller and Lynch (1992) . Vocalizations were categorized in a developmental framework relative to mature speech. Those utterances containing well-formed consonant-vowel syllables were transcribed with broad phonetic transcription and analyzed at both the syllabic and segmental levels. Statistically significant differences were found between the two conditions for vocal volubility (i.e., quantity of vocalizations produced); subjects vocalized more when using both auditory amplification and the Tactaid II together than with auditory amplification alone. Trends in the early vocal development of these children with severe-profound hearing loss are described at the infraphonologic, segmental, and syllabic levels.

Acknowledgments
The authors gratefully acknowledge the participation and assistance of the professional staff and the students and their families at the Tactual Speech Project at the University of Miami. The authors would also like to thank Roberta H. Turner; Michael P. Lynch; Rafael Delgado of Intelligent Hearing Systems, Miami, FL; and the members of the Infant Vocal Development Project at the University of Miami for their important contributions. This work was supported by DOE NIDRR H133G10118to Rebecca E. Eilers, principal investigator, and by NIH NIDCD #5 R01 DC00484 to D. K. Oller, principal investigator.
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