Influence of a standard electropalatography artificial palate upon articulation

McAuliffe, Megan J., Lin, Emily, Robb, Michael P. and Murdoch, Bruce E. (2008) Influence of a standard electropalatography artificial palate upon articulation. Folia Phoniatrica et Logopaedica, 60 1: 45-53. doi:10.1159/000112216


Author McAuliffe, Megan J.
Lin, Emily
Robb, Michael P.
Murdoch, Bruce E.
Title Influence of a standard electropalatography artificial palate upon articulation
Journal name Folia Phoniatrica et Logopaedica   Check publisher's open access policy
ISSN 1021-7762
Publication date 2008-02
Year available 2007
Sub-type Article (original research)
DOI 10.1159/000112216
Volume 60
Issue 1
Start page 45
End page 53
Total pages 9
Place of publication Basel, Switzerland
Publisher S. Karger AG
Collection year 2009
Language eng
Subject C1
920201 Allied Health Therapies (excl. Mental Health Services)
110321 Rehabilitation and Therapy (excl. Physiotherapy)
Abstract Objective: This study investigated the influence of a standard electropalatography (EPG) palate upon speech articulation in 3 normal speakers under standard EPG testing conditions. Patients and Methods: Three adult females aged 26, 31 and 34 years read the experimental phrase 'say CV again' 5 times under 3 experimental conditions: normal speech (without a palate in situ), 45 min after EPG palate insertion and 3 h after EPG palate insertion. Consonants and vowels commonly used in EPG research were studied and included /t/, /s/ and /int/ in the /i/, /a/ and /u/ vowel environments. Perceptual and acoustic analysis of the data was completed. Results: The results revealed varied patterns of adaptation across the 3 participants. Perceptual analysis suggested that 2 of the participants adapted to the presence of the palate; however, 1 did not. The presence of the palate resulted in significant changes to consonant duration for all 3 participants. Spectrally, production of /t/ was unaffected by the presence of the palate, while articulation of fricatives varied across the participants. Conclusion: Paired with a previous study examining the effects of an EPG palate upon speech articulation [McLeod S, Searl J: Am J Speech Lang Pathol 2006;15:192-206], the present data suggest that researchers and clinicians alike should be aware of the potential perturbing effects of the palate. Copyright © 2007 S. Karger AG, Basel
Keyword Electropalatography
Artificial palate
Articulation
Q-Index Code C1
Q-Index Status Provisional Code
Additional Notes Published online December 2007 then in print Feb 2008

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Health and Rehabilitation Sciences Publications
 
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Created: Mon, 12 Jan 2009, 12:53:55 EST