EMA analysis of tongue function in children with dysarthria following traumatic brain injury

Murdoch, Bruce E.; Goozee, J. V.

doi:10.1080/0269905021000010203

Cited by 18 publications

(13 citation statements)

References 11 publications

(10 reference statements)

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“…Murdoch and Goozee (2003) found both reductions of tongue movement and disturbances of jaw movement in four children with dysarthria secondary to TBI. Bartle et al (2005) assessed tongue-jaw coordination in dysarthria by comparing the articulatory order and percentage of jaw contribution for consonant production.…”

Section: Tongue-jaw Coordination and F2 Slopementioning

confidence: 86%

Relationship between kinematics, F2 slope and speech intelligibility in dysarthria due to cerebral palsy

Rong

Loucks

Kim

et al. 2012

Clinical Linguistics & Phonetics

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A multimodal approach combining acoustics, intelligibility ratings, articulography and surface electromyography was used to examine the characteristics of dysarthria due to cerebral palsy (CP). CV syllables were studied by obtaining the slope of F2 transition during the diphthong, tongue-jaw kinematics during the release of the onset consonant, and the related submental muscle activities and relating these measures to speech intelligibility. The results show that larger reductions of F2 slope are correlated with lower intelligibility in CP-related dysarthria. Among the three speakers with CP, the speaker with the lowest F2 slope and intelligibility showed smallest tongue release movement and largest jaw opening movement. The other two speakers with CP were comparable in the amplitude and velocity of tongue movements, but one speaker had abnormally prolonged jaw movement. The tongue-jaw coordination pattern found in the speakers with CP could be either compensatory or subject to an incompletely developed oromotor control system.

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Section: Tongue-jaw Coordination and F2 Slopementioning

confidence: 86%

Relationship between kinematics, F2 slope and speech intelligibility in dysarthria due to cerebral palsy

Rong

Loucks

Kim

et al. 2012

Clinical Linguistics & Phonetics

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“…In addition, electromagnetic articulography (EMA) may be suitable to the study of speech movements in adults and children with DS. This method has been used successfully to study speech articulation in children with dysarthria (Murdoch & Goozee, 2003). Reports of increased variability in speech production could be examined further with the spatiotemporal index (STI), a measure of variability in the production of several tokens of an utterance (Smith, Goffman, Zelaznik, Ying, & McGillem, 1995).…”

Section: Speech Sound Disorders (Table 2)mentioning

confidence: 99%

Speech Impairment in Down Syndrome: A Review

Kent

Vorperian

2013

J Speech Lang Hear Res

186

145

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Purpose This review summarizes research on disorders of speech production in Down Syndrome (DS) for the purposes of informing clinical services and guiding future research. Method Review of the literature was based on searches using Medline, Google Scholar, Psychinfo, and HighWire Press, as well as consideration of reference lists in retrieved documents (including online sources). Search terms emphasized functions related to voice, articulation, phonology, prosody, fluency and intelligibility. Conclusions The following conclusions pertain to four major areas of review: (a) Voice. Although a number of studies have been reported on vocal abnormalities in DS, major questions remain about the nature and frequency of the phonatory disorder. Results of perceptual and acoustic studies have been mixed, making it difficult to draw firm conclusions or even to identify sensitive measures for future study. (b) Speech sounds. Articulatory and phonological studies show that speech patterns in DS are a combination of delayed development and errors not seen in typical development. Delayed (i.e., developmental) and disordered (i.e., nondevelopmental) patterns are evident by the age of about 3 years, although DS-related abnormalities possibly appear earlier, even in infant babbling. (c) Fluency and prosody. Stuttering and/or cluttering occur in DS at rates of 10 to 45%, compared to about 1% in the general population. Research also points to significant disturbances in prosody. (d) Intelligibility. Studies consistently show marked limitations in this area but it is only recently that research goes beyond simple rating scales.

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“…1998; Cahill et al. 2000, 2001b, 2002, 2003, 2005; Murdoch & Goozée 2003; Cheng et al. 2005; Morgan et al.…”

Section: Introductionmentioning

confidence: 99%

“…There are currently no published studies on the clinical characteristics of dysarthria after paediatric TBI during the acute phase of inpatient rehabilitation. However, a number of prospective studies have documented speech and oral-motor deficits for children between 6 months and 9 years post TBI (see Table 2) (Daniel-Whitney 1989;Murdoch et al 1997;Theodoros et al 1998;Cahill et al 2000Cahill et al , 2001bCahill et al , 2002Cahill et al , 2003Cahill et al , 2005Murdoch & Goozée 2003;Cheng et al 2005;Morgan et al 2007). As regards dysphagia, however, acute prospective studies of both physiologically based and cognitively related deficits of swallowing have been reported (Morgan et al , 2002(Morgan et al , 2004a.…”

Section: Introductionmentioning

confidence: 99%

Incidence and clinical presentation of dysarthria and dysphagia in the acute setting following paediatric traumatic brain injury

Morgan

Mei

2009

Child

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Despite the low incidence of dysarthria and dysphagia across the entire TBI cohort, this sub-group may place longer-term burden on SLP services, having prolonged periods of ventilation, extended periods of hospitalization and a complex co-morbid clinical presentation compared with controls. The prevalence of co-morbid communication and swallowing impairments suggests a need for integrated rather than single discipline (i.e. dysphagia stream only) SLP services.

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EMA analysis of tongue function in children with dysarthria following traumatic brain injury

Abstract: The finding of different underlying articulatory kinematic profiles has important implications for the treatment of speech rate disturbances in children with dysarthria following TBI.

Cited by 18 publications

References 11 publications

Relationship between kinematics, F2 slope and speech intelligibility in dysarthria due to cerebral palsy

Relationship between kinematics, F2 slope and speech intelligibility in dysarthria due to cerebral palsy

Speech Impairment in Down Syndrome: A Review

Incidence and clinical presentation of dysarthria and dysphagia in the acute setting following paediatric traumatic brain injury

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