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KMID : 1022420180100040163
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Phonetics and Speech Sciences
2018 Volume.10 No. 4 p.163 ~ p.171
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Efficacy of intensive treatment of dysarthria for people with multiple system atrophy
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Park Young-Mi
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Abstract
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A mixed dysarthria with combinations of hypokinetic, ataxic, and spastic components is a common clinical feature of multiple system atrophy (MSA). Due to the rapid progress of dysarthria after diagnosis, people with MSA experience difficulty with verbal communication, which eventually affects their quality of life negatively. In this study, SPEAK OUT!ⓡ, an intensive 1:1 treatment of dysarthria for improving functional communicative ability, was provided to twelve people with MSA. To evaluate the efficacy of SPEAK OUT!ⓡ in people with MSA, aerodynamic, acoustic, and perceptual analyses were conducted. Pre-and post-therapy data included maximum phonation time, vocal intensity, and fundamental frequency during /a/ sustained phonation and passage reading; frequency range between high /a/ and low /a/ phonation; jitter, shimmer, and HNR for vocal quality; speech rate during passage reading; and perceptual evaluation scores for articulation precision and intonation. The participants achieved statistically significant improvement in vocal intensity, pitch range, vocal quality, speech rate, and speech intelligibility. In conclusion, SPEAK OUT!ⓡ is a feasible treatment for people with MSA to efficaciously improve their speech ability.
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KEYWORD
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SPEAK OUT!ⓡ, mixed dysarthria, motor speech disorders, multiple system atrophy, speech therapy
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FullTexts / Linksout information
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Listed journal information
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