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The current practices of speech-language pathologists in providing information to clients with traumatic brain injury
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Effect of speech loudness manipulations on articulatory dynamics in severe traumatic brain injury
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A kinematic investigation of speaking rate changes after traumatic brain injury
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Fatigue management by speech-language pathologists for adults with traumatic brain injury
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Experiences of care reported by adults with traumatic brain injury
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Tongue function in nondysarthric speakers with Parkinson's disease: An electromagnetic articulography investigation
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Abstract:
Articulatory imprecision in Parkinson's disease (PD) has been attributed to reduced range of movement, rigidity, and abnormal speed of movement of the articulatory structures. Previous studies provided acoustic and kinematic evidence of lip muscle rigidity, reduced amplitude, and velocity of lip and jaw movement, mainly based on nonspeech measures. Very limited studies have documented the effects of PD on lingual kinematics during speech production. The present study aimed to investigate lingual kinematics during sentence production in a group of 7 nondysarthric speakers with PD using the electromagnetic articulograph (AG-200 EMA). Tongue-tip and tongue-back movements were recorded by the EMA system during sentence production. Seven non-neurologically impaired participants matched for age and sex served as a control group. Results revealed no significant difference on the distance of tongue movement. However, the PD group did show significantly reduced maximum velocity, maximum acceleration, maximum deceleration, and significantly longer duration of tongue movement. Rates of sentence production were also slower for the PD group. The subclinical differences in tongue kinematics of the nondysarthric speakers with PD documented in this study support that limitations in the range of tongue movement leading to articulatory undershoot may be a major contributor to articulatory impairment in dysarthric speakers with PD. Copyright © 2010 Delmar Cengage Learning.
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Keyword:
2733 Otorhinolaryngology; 2742 Rehabilitation; 3616 Speech and Hearing; Articulatory function; Dysarthric subjects; Kinematic analysis; Traumatic brain-injury
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URL: https://espace.library.uq.edu.au/view/UQ:236447
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