An EMA analysis of the effect of increasing word length on consonant production in apraxia of speech: A case study

Bartle, Carly J., Goozee, Justine V. and Murdoch, Bruce E. (2007) An EMA analysis of the effect of increasing word length on consonant production in apraxia of speech: A case study. Clinical Linguistics & Phonetics, 21 3: 189-210. doi:10.1080/02699200601007865

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Author Bartle, Carly J.
Goozee, Justine V.
Murdoch, Bruce E.
Title An EMA analysis of the effect of increasing word length on consonant production in apraxia of speech: A case study
Journal name Clinical Linguistics & Phonetics   Check publisher's open access policy
ISSN 0269-9206
1464-5076
Publication date 2007-01-01
Year available 2007
Sub-type Article (original research)
DOI 10.1080/02699200601007865
Open Access Status File (Author Post-print)
Volume 21
Issue 3
Start page 189
End page 210
Total pages 22
Editor M. J. Ball
T. W. Powell
Place of publication Oxfordshire, United Kingdom
Publisher Taylor & Francis
Language eng
Subject 730303 Occupational, speech and physiotherapy
C1
321403 Motor Control
330109 Assessment and Evaluation
380302 Linguistic Processes (incl. Speech Production and Comprehension)
Abstract The effect of increasing word length on the articulatory dynamics (i.e. duration, distance, maximum acceleration, maximum deceleration, and maximum velocity) of consonant production in acquired apraxia of speech was investigated using electromagnetic articulography (EMA). Tongue-tip and tongue-back movement of one apraxic patient was recorded using the AG-200 EMA system during word-initial consonant productions in one, two, and three syllable words. Significantly deviant articulatory parameters were recorded for each of the target consonants during one, two, and three syllables words. Word length effects were most evident during the release phase of target consonant productions. The results are discussed with respect to theories of speech motor control as they relate to AOS.
Keyword Apraxia of speech
Physiological assessment
Articulation
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Tue, 19 Feb 2008, 02:28:29 EST