1993 Fiscal Year Final Research Report Summary
A Cross-linguistic study of Cleft palate misarticulations -Electropalatographical and Acoustic analysis-
| Project/Area Number |
03670957
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| Research Category |
Grant-in-Aid for General Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Research Field |
外科・放射線系歯学
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| Research Institution | Grant-in Aid for Scientific Research(C) |
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Principal Investigator |
SUZUKI Noriko Showa University, School of Dentistry, Assistant Professor, 歯学部, 講師 (10112731)
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| Co-Investigator(Kenkyū-buntansha) |
WAKUMOTO Masahiko Showa university, School of Dentistry, Resident, 歯学部, 助手 (60220852)
KATAOKA Ryuta Showa University, School of Dentistry, Resident, 歯学部, 助手 (20214322)
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| Project Period (FY) |
1991 – 1993
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| Keywords | Cross-linguistic study / Electro-palatography / Acoustic analysis / Lateral Misarticulation / Cleft palate / Speech disorders / British English / Japanese |
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| Research Abstract |
Our research results in some preliminary aspects of a collaborative cross-linguistic study of normal and disordered Japanese and British English speech. The investigation compares lateralised productions of /s/, (lateral misarticulation in Japanese and so-called"lateral/s/"in English), which are abnormal in the two languages. EPG and acoustic recordings were made of four Japanese and four British subjects. The EPG patterns were classified according to certain criteria, such as the presence or absence of complete constriction between the tongue and the hard palate, and the area and location of this contact. Findings revealed that lateralised articulations varied between individual speakers, but that Japanese and English productions were broadly similar. Acoustically, misarticulations in both languages were characterised by a lower frequency of peak energy than would be expected in normal productions.
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