Anatomical and Neuromuscular Maturation of the Speech Mechanism: Evidence from Acoustic Studies This paper surveys acoustic studies of speech development and discusses the data with respect to the anatomical and neuromuscular maturation of the speech mechanism. The acoustic data on various aspects of speech production indicate that the accuracy of motor control improves with age until adult-like performance is achieved at about ... Tutorial
Tutorial  |   September 01, 1976
Anatomical and Neuromuscular Maturation of the Speech Mechanism: Evidence from Acoustic Studies
 
Author Affiliations & Notes
  • R. D. Kent
    University of Wisconsin, Madison
Article Information
Tutorial
Tutorial   |   September 01, 1976
Anatomical and Neuromuscular Maturation of the Speech Mechanism: Evidence from Acoustic Studies
Journal of Speech, Language, and Hearing Research, September 1976, Vol. 19, 421-447. doi:10.1044/jshr.1903.421
History: Received October 28, 1975 , Accepted February 2, 1976
 
Journal of Speech, Language, and Hearing Research, September 1976, Vol. 19, 421-447. doi:10.1044/jshr.1903.421
History: Received October 28, 1975; Accepted February 2, 1976

This paper surveys acoustic studies of speech development and discusses the data with respect to the anatomical and neuromuscular maturation of the speech mechanism. The acoustic data on various aspects of speech production indicate that the accuracy of motor control improves with age until adult-like performance is achieved at about 11 or 12 years, somewhat after the age at which speech sound acquisition usually is judged to be complete. Other topics of discussion are (1) problems in the spectrographic analysis of children’s speech, (2) formant scale factors that relate children’s and adults' data, and (3) identification and diagnosis of developmental disorders through acoustic analyses of speech sounds.

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