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A sindscal analysis of perceptual features for consonants produced by esophageal and tracheoesophageal talkers.

Authors
  • Doyle, P C
  • Danhauer, J L
  • Mendel, L L
Type
Published Article
Journal
The Journal of speech and hearing disorders
Publication Date
Nov 01, 1990
Volume
55
Issue
4
Pages
756–760
Identifiers
PMID: 2232755
Source
Medline
License
Unknown

Abstract

This study was concerned with the perceptual responses of normal-hearing listeners to consonants produced by esophageal and tracheoesophageal (TE) talkers and a single talker who was proficient in both of these alaryngeal speech modes. The listeners' perceptual responses were analyzed using Symmetric Individual Differences Scaling (SINDSCAL) to determine whether distinctive feature differences existed between these two methods of alaryngeal speech. This a posteriori analysis revealed that primary features retrieved for both speech methods included sibilant, affricate, dental, nasal, and sonorant. Although greater perceptual weightings were observed for TE speech, these productive/perceptual features were weighted similarly for both speech methods. Some secondary group-specific feature differences were also observed, but these features did not contribute substantially to the total amount of variance accounted for in the analysis. Thus, the SINDSCAL results showed that the groups did not use different feature systems. These results are discussed in regard to the unique alaryngeal speech production methods employed by esophageal and TE talkers and the relative limitations of the alaryngeal (esophageal) voicing source they use. General clinical implications of the data are discussed.

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