Speech Disorders following Severe Traumatic Brain Injury: Kinematic Analysis of Syllable Repetitions Using Electromagnetic Articulography

Using electromagnetic articulography, the lips, the tip of the tongue, and the tongue dorsum were tracked during repetitions of the syllables [pa], [ta] and [ka] in 10 speakers with dysarthria following severe traumatic brain injury and in 10 age-matched control subjects. When asked to produce the s...

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Bibliographic Details
Published in:Folia phoniatrica et logopaedica 2000-07, Vol.52 (4), p.187-196
Main Authors: Jaeger, Marion, Hertrich, Ingo, Stattrop, Ulrich, Schönle, Paul-Walter, Ackermann, Hermann
Format: Article
Language:English
Subjects:
Adult
Articulation Disorders - diagnosis
Articulation Disorders - etiology
Biological and medical sciences
Brain Injuries - complications
Brain Injuries - diagnosis
Dysarthria - diagnosis
Dysarthria - etiology
Electromagnetic Fields
Female
Humans
Injuries of the nervous system and the skull. Diseases due to physical agents
Male
Medical sciences
Middle Aged
Original Paper
Phonetics
Reference Values
Speech Production Measurement - instrumentation
Traumas. Diseases due to physical agents
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Summary:Using electromagnetic articulography, the lips, the tip of the tongue, and the tongue dorsum were tracked during repetitions of the syllables [pa], [ta] and [ka] in 10 speakers with dysarthria following severe traumatic brain injury and in 10 age-matched control subjects. When asked to produce the syllable trains as fast as possible, the patient group showed a rather homogeneous pattern of movement abnormalities including prolonged syllable durations and reduced peak velocity/amplitude ratios. Most presumably, limited speed generation gives rise to the impaired ability to increase speech rate. During the habitual speaking condition, reduced velocity/amplitude ratios were restricted to the tongue tip and tongue dorsum. Obviously, the tongue and the lips are differentially affected in dysarthria following severe traumatic brain injury.
ISSN:1021-7762
1421-9972
DOI:10.1159/000021533