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Accession number;00A1054537
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| Title;A Study of Articulatory Function in Dysarthric Speakers. I. Analysis of Intelligibility of Vowels. |
| Author;
NISHIO MASAKI
(Kokusai Iryofukushi Daigaku Hokengakubu)
NIIMI SEIJI
(Todai Daigakuin Igakukeikenkyuka)
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Journal Title;Japan Journal of Logopedics and Phoniatrics
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Journal Code:Z0214B
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ISSN:0030-2813
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VOL.41;NO.4;PAGE.365-370(2000)
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| Figure&Table&Reference;FIG.8, TBL.2, REF.27 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;Articulatory function was perceptually investigated in 58 individuals with dysarthria using an intelligibility test involving 100 Japanese monosyllabics. Major results include the following. 1. Comparison of syllables called "yoon" and syllables called "chokuon" showed that the mean intelligibility score for "chokuon" was significantly higher than that for "yoon" in all severity groups and in all types of dysarthria. 2. Comparison of vowel syllables and consonant syllables showed that the mean intelligibility score for vowel syllables was higher than that for consonant syllables in all severity groups and in all types of dysarthria. 3. Among vowel syllables, the highest intelligibility score was for /a/ and the lowest for /i/and /e/, which are classified as front vowels in all severity groups. Analysis of vowel intelligibility according to type of dysarthria showed that scores for the five vowels of types with pathophysiological motor paralysis are different from those of types without motor paralysis. 4. A confusion matrix showed that /i/ was apt to be replaced by /e/, and /e/ tended to be substituted by /i/. Based on these findings, a treatment strategy for articulatory dysfunction in dysarthric speakers was discussed. (author abst.) |
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