Perceptual and acoustic evidence of speaker adaptation to a thin pseudopalate

Jeff Searl, Paul Evitts, William J. Davis

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


The purpose of this study was to examine the effect of a thin pseudopalate on the speech of normal adults. It was hypothesized that speech would be initially altered, but speakers would adapt quickly to the device. Eleven speakers produced words without the pseudopalate and at six intervals with the appliance in place. Consonant acoustics were changed initially, but returned to baseline within ∼30 minutes. Perceptually, consonant identification and distortion ratings were unchanged when wearing the pseudopalate. Results suggest an initial alteration to speech detectable acoustically, but rapid adaptation, for most speakers. Investigators using thin pseudopalates must recognize that speech is altered, at least initially, and account for this in their procedures and interpretation of results.

Original languageEnglish (US)
Pages (from-to)107-116
Number of pages10
JournalLogopedics Phoniatrics Vocology
Issue number3
StatePublished - Oct 2006
Externally publishedYes


  • Acoustic
  • Adaptation
  • Pseudopalate
  • Speech

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Speech and Hearing
  • LPN and LVN


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