Statistical Differentiation Of Tracheoesophageal Speech Produced under Four Prosthetic/Occlusion Speaking Conditions Twelve male and 12 female total laryngectomy patients who received the tracheoesophageal puncture (TEP) as a means of vocal rehabilitation served as subjects for this investigation. Recordings were made of these subjects' speech produced with four prosthetic/occlusion conditions: (1) duckbill prosthesis with tracheostoma valve; (2) duckbill prosthesis with digital occlusion ... Research Article
Research Article  |   September 01, 1989
Statistical Differentiation Of Tracheoesophageal Speech Produced under Four Prosthetic/Occlusion Speaking Conditions
 
Author Affiliations & Notes
  • Barbara Roa Pauloski
    Northwestern University
  • Hilda B. Fisher
    Northwestern University
  • Gail B. Kempster
    Governors State University
  • Eric D. Blom
    Head and Neck Surgery Associates, Indianapolis
Article Information
Research Articles
Research Article   |   September 01, 1989
Statistical Differentiation Of Tracheoesophageal Speech Produced under Four Prosthetic/Occlusion Speaking Conditions
Journal of Speech, Language, and Hearing Research, September 1989, Vol. 32, 591-599. doi:10.1044/jshr.3203.591
History: Received April 27, 1988 , Accepted February 14, 1989
 
Journal of Speech, Language, and Hearing Research, September 1989, Vol. 32, 591-599. doi:10.1044/jshr.3203.591
History: Received April 27, 1988; Accepted February 14, 1989

Twelve male and 12 female total laryngectomy patients who received the tracheoesophageal puncture (TEP) as a means of vocal rehabilitation served as subjects for this investigation. Recordings were made of these subjects' speech produced with four prosthetic/occlusion conditions: (1) duckbill prosthesis with tracheostoma valve; (2) duckbill prosthesis with digital occlusion of the tracheostoma; (3) low pressure prosthesis with tracheostoma valve; and (4) low pressure prosthesis with digital occlusion. Speech tasks consisted of three trials of maximum phonation time on // and reading of a 98-word standard passage. Acoustic analysis of the recorded speech samples included a total of 34 frequency, intensity, temporal, and noise measures? Eight acoustic measures (words per minute, harmonics-to-noise ratio, percent jitter, intensity range during vowel phonation, percent periodic phonation, mean intensity during reading, directional jitter, and directional shimmer) were chosen as dependent variables for a repeated measures MANOVA. The overall repeated measures MANOVA, a set of complex contrasts, and paired t tests revealed that TEP speech produced with the low pressure prosthesis was significantly different from that produced with the duckbill prosthesis on a weighted linear combination of the eight acoustic variables. Tracheoesophageal voice produced with a low pressure prosthesis had greater amounts of periodic phonation than tracheoesophageal voice produced with a duckbill prosthesis. The use of a tracheostoma valve did not have a significant impact on the subset of acoustic measures used in the repeated measures MANOVA.

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