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Non-invasive on-line observation of tongue dynamics and its clinical application.

Research Project

Project/Area Number 60480377
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field Otorhinolaryngology
Research InstitutionUniversity of Tokyo

Principal Investigator

NIIMI Seiji  University of Tokyo, Department of Medicine, 医学部, 助教授 (00010273)

Co-Investigator(Kenkyū-buntansha) HORIGUCH Satoshi  University of Tokyo, Department of Medicine, 医学部, 助手 (30157078)
IMAIZUMI Satoshi  University of Tokyo, Department of Medicine, 医学部, 助教授 (80122018)
KIRITANI Shigeru  University of Tokyo, Department of Medicine, 医学部, 教授 (90010032)
USHIJIMA Tatujiro  University of Tokyo, Department of Medicine, 医学部, 講師 (70010197)
HIROSE Hajime  University of Tokyo, Department of Medicine, 医学部, 教授 (80010031)
Project Period (FY) 1985 – 1986
Project Status Completed (Fiscal Year 1986)
Budget Amount *help
¥6,600,000 (Direct Cost: ¥6,600,000)
Fiscal Year 1986: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 1985: ¥5,800,000 (Direct Cost: ¥5,800,000)
KeywordsUltrasonic tomography / Tongue / Articulatory dynamics / MR-I / Speech training / Amyotrophic lateral sclerosis / 脊髄小脳変性症
Research Abstract

Using the ultrasonic technique, we have reported on the tongue configuration and dynamics during speech production. Since the ultrasonic images of the tongue are greatly dependent on the angle and position of the ultrasonic probe ( emitter and receiver ), it is essential to monitor the angle and position of the probe. In this study, we have developed the system which enables us to monitor the probe during experiment by using a position sensing device (PSD). The positional information from the PSD are fed into the computer. The ultrasonic tongue images are modified using the coordinate values of the probe position by the aid of the computer. By this system, it is also possible to display the palatal configuration on the same CRT screen which serves as reference points for the vocal tract measurement. Possibility of clinical application of the system was evaluated.
To standardise the vowel articulation, influences of speaking rate on the jaw and the tongue movement were investigated.
As for the pathological cases, amyotrophic lateral sclerosis and spinocelleberal dystrophy were investigated. From this study, it can be concluded that even the acoustic impression of the dysarthric speech is the same, articulatory gestures are different case by case. It is suggested that it is preferable to make a training program by individual bases. It is also concluded that the ultrasonic technique can be used to evaluate a pathological articulation and can be used as a training tool for dysarthric patients.
In order to investigate the acoustic characteristics of the vocal tract, it is necessary to know the three dimensional measures. We employed the magnetic resonance imaging technique for this purpose. From this preliminary study, we could reconstruct the three dimensional vocal tract model during sustained vowels. We are planning to use the ultrasonic technique to construct a dynamic model of the vocal tract.

Report

(1 results)
  • 1986 Final Research Report Summary
  • Research Products

    (13 results)

All Other

All Publications (13 results)

  • [Publications] Niimi,Seiji: Ann.Bull.RILP.19. 21-27 (1985)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Masaki,Shinobu: Ann.Bull.RILP.20. 33-46 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Rokkaku,Mitsuhiro: Ann.Bull.RILP.20. 47-54 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Niimi,Seiji: Ann.Bull.RILP.20. 205-210 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Hirose,Hajime: Folia Phoniat.38. 61-88 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] 新美成二: 音声言語医学. 26. 88-88 (1985)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Myers,Eugene N.: "New dimensions in otorhinolaryngology-Head and neck surgery Vol.2" Elsvier Science Publishers, 1148 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Niimi, Seiji: "Ultrasonic observation of the tongue with reference to palatal configuration." Ann. Bull. RILP.19. 21-27 (1985)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Masaki, Shinobu: "Influences of increase in speaking rate on jaw and tongeu positions for vowels in production of vowel sequence words." Ann. Bull. RILP.20. 33-46 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Rokkaku, Mitsuhiro: "Measurement of the three-dimensional shape of the vocal tract based on the magnetic resonance imaging technique." Ann. Bull. RILP.20. 47-54 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Niimi, Seiji: "A preliminary report on the tongue dynamics of dysarthric patients." Ann. Bull. RILP.20. 205-210 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Hirose, Hajime: "Pathophysiology of motor speech disorders ( dysarthria )." Folia Phoniat.38. 61-88 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Myers, Eugene N. (Ed): Elsvier Science Publishers. New dimensions on otorhinolaryngology-Head and neck surgery. Vol.2, 1148 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary

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Published: 1987-03-31   Modified: 2016-04-21  

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