Speech Modification by a Deaf Child through Dynamic Orometric Modeling and Feedback

¹ University of Alabama-Birmingham

Baseline physiologic, acoustic, and phonetic data are presented to characterize speech production of 3 -year-old deaf girl prior to a visual articulatory modeling and feedback program. These observations suggest that she used an articulatory strategy based on visual information about lip and jaw movements rather than tongue positions as a primary means of differentiating speech sounds. The training program which followed used instrumentally generated displays of tongue position and movements to teach production of the /i/ and /a/ vowels in single and bisyllable word contexts. Linguapalatal contact patterns for the consonant /t/ were then introduced and taught in combinations with the vowels. Goal articulatory gestures were learned rapidly with respect to both positional and timing features of speech.

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				J. E. Flege, S. G. Fletcher, M. J. McCutcheon, and S. C. Smith The Physiological Specification of American English Vowels Language and Speech, October 1, 1986; 29(4): 361 - 388. [Abstract] [PDF]