Prespeech Vocalizations of a Deaf Infant A Comparison with Normal Metaphonological Development Research Article
Research Article  |   March 01, 1985
Prespeech Vocalizations of a Deaf Infant
 
Author Affiliations & Notes
  • D. Kimbrough Oller
    University of Miami Mailman Center for Child Development, Miami, FL
  • Rebecca E. Eilers
    University of Miami Mailman Center for Child Development, Miami, FL
  • Dale H. Bull
    University of Miami Mailman Center for Child Development, Miami, FL
  • Arlene Earley Carney
    University of Illinois at Urbana
Article Information
Research Articles
Research Article   |   March 01, 1985
Prespeech Vocalizations of a Deaf Infant
Journal of Speech, Language, and Hearing Research, March 1985, Vol. 28, 47-63. doi:10.1044/jshr.2801.47
History: Received May 5, 1983 , Accepted August 8, 1984
 
Journal of Speech, Language, and Hearing Research, March 1985, Vol. 28, 47-63. doi:10.1044/jshr.2801.47
History: Received May 5, 1983; Accepted August 8, 1984

A comparative study of the speech-like vocalizations of a deaf infant and a group of 11 hearing infants was conducted in order to examine the role of auditory experience in the development of the phonological and metaphonological capacity. Results indicated that from 8 to I3 months of age, the deaf subject differed strikingly from hearing infants of comparable age. She produced no repetitive canonical babbling, whereas all the hearing infants produced many canonical syllables. The topography of the deaf infant's vocalizations resembled that of 4–6-month-old (i.e., Expansion stage) hearing infants. Detailed comparisons of the proportion of production of various metaphonologically defined categories by the deaf infant and Expansion stage hearing infants demonstrated many similarities in vocalization, although possible differences were noted. It is concluded that hearing impairment notably affects vocalization development by the end of the first year of life, if not earlier. Spectrographic displays illustrate the categories of infant sounds produced by the deaf and hearing infants.

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