Articulatory kinematics in the dysarthria associated with Friedreich's Ataxia

Folker, Joanne E., Murdoch, Bruce E., Cahill, Louise M., Rosen, Kristin M., Delatycki, Martin B., Corben, Louise A. and Vogel, Adam P. (2011) Articulatory kinematics in the dysarthria associated with Friedreich's Ataxia. Motor Control, 15 3: 376-389.

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Author Folker, Joanne E.
Murdoch, Bruce E.
Cahill, Louise M.
Rosen, Kristin M.
Delatycki, Martin B.
Corben, Louise A.
Vogel, Adam P.
Title Articulatory kinematics in the dysarthria associated with Friedreich's Ataxia
Journal name Motor Control   Check publisher's open access policy
ISSN 1087-1640
1543-2696
Publication date 2011-07
Sub-type Article (original research)
Volume 15
Issue 3
Start page 376
End page 389
Total pages 14
Place of publication Champaign, IL, United States
Publisher Human Kinetics
Collection year 2012
Language eng
Abstract Electromagnetic articulography (EMA) was used to investigate the tongue kinematics in the dysarthria associated with Friedreich's ataxia (FRDA). The subject group consisted of four individuals diagnosed with FRDA. Five nonneurologically impaired individuals, matched for age and gender, served as controls. Each participant was assessed using the AG-200 EMA system during six repetitions of the tongue tip sentence Tess told Dan to stay fit and the tongue back sentence Karl got a croaking frog. Results revealed reduced speed measures (i.e., maximum acceleration / deceleration / velocity), greater movement durations and increased articulatory distances for the approach phases of consonant productions. The approach phase, involving movement up to the palate, was more affected than the release phase. It is suggested that deviant lingual kinematics could be the outcome of disturbances to cerebellar function, or possibly in combination with disturbances to upper motor neuron systems.
Keyword Motor control
Rehabilitation
Neurophysiology
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Health and Rehabilitation Sciences Publications
 
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