Search Results 1-20 of 139

  • Effects of Focal Tendon Vibratory Stimuluson Gait Stability of the Elderly

    Kim Dongwook

    … To investigate the CNS response to FTVS, perception threshold of Achilles tendon (ACT) was measured. … Especially, threshold increased rapidly at 200 Hz. …

    Transactions of Japanese Society for Medical and Biological Engineering Annual56(Abstract), S367-S367, 2018

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  • The influence of trait anxiety and illusory kinesthesia on pain threshold

    Imai Ryota , Osumi Michihiro , Ishigaki Tomoya , Morioka Shu

    … It was aimed to explore whether anxiety trait modulates the influence of illusory kinesthesia on pain threshold. … [Subjects and Methods] The pain threshold and trait anxiety at rest before vibratory tendon stimulation (the task) were measured. … After the task, the pain threshold, the illusory kinesthesia angle, and the intensity of illusory kinesthesia for patients with and without illusory kinesthesia were measured. …

    Journal of Physical Therapy Science 29(7), 1236-1241, 2017

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  • Changes in motor evoked potential by TMS after continuous vibrotactile stimulation of finger pulp  [in Japanese]

    OOSAWA YUKI , ITO KANCHI , KIKUCHI YUTAKA , ODAGAKI MASATO , IMAMURA KAZUYUKI

    … White noise (0-100 Hz) was used as the vibratory stimulation used threshold measurement and was applied to the pulp of the index and little fingers. … Second, vibrational stimulation of the double perception threshold value was applied to the pulp of the index finger for 3 min. Third, we measured the MEPs by TMS from FDI ten times again. …

    Transactions of Japanese Society for Medical and Biological Engineering 53(Supplement), S246_01-S246_01, 2015

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  • 2104 Measurement of vibration stimulus threshold for eliciting kinesthetic illusion  [in Japanese]

    HONDA Masakazu , KARAKAWA Hiroyuki , AKAHORI Koichi , OHKA Masahiro

    … In this study, the sensitivity threshold of the illusion has been investigated using the staircase method, which is an adaptive psychometric method in psychophysics. … The result of the experiment reveals that the kinesthetic illusion can be elicited with an acceleration of about 40 [m/s^2], with vibratory stimuli of 50 to 90 [Hz]. …

    The Proceedings of the Machine Design and Tribology Division meeting in JSME 2014.14(0), 105-106, 2014

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  • A Comparison of Hand-arm Vibration Syndrome between Malaysian and Japanese Workers

    SU Anselm Ting , FUKUMOTO Jin , DARUS Azlan , HOE Victor CW , MIYAI Nobuyuki , ISAHAK Marzuki , TAKEMURA Shigeki , BULGIBA Awang , YOSHIMASU Kouichi , MAEDA Setsuo , MIYASHITA Kazuhisa

    … <b>Methods</b>: We conducted a series medical examinations among the forestry, construction and automobile industry workers in Malaysia adopting the compulsory medical examination procedure used by Wakayama Medical University for Japanese vibratory tools workers. …

    Journal of Occupational Health 55(6), 468-478, 2013-11-01

    J-STAGE  Ichushi Web  References (18)

  • Vibratory Stimulation Transmission Pathways Measured by Subjective Threshold and DPOAE  [in Japanese]

    WATANABE Tomoo , ITO Tsukasa , ABE Yasuhiro , KUBOTA Toshinori , CHIBA Hiroyuki , AOYAGI Masaru

    … To clarify the skull content contribution to vibratory bone stimuli transmission and to determine stimuli features, we compared auditory threshold and distortion product otoacoustic emission (DPOAE) using a bone vibrator placed at different head sites, including the eye. … The best audiometric threshold and the highest DPOAE were with the vibrator either on the mastoid of the measured side or on the temple’s “ultrasound window”. …

    Practica oto-rhino-laryngologica. Suppl. (130), 1-8, 2011-03-01

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  • Transmission of Rhythm through Tactile Sensation using Air-jet Stimulation  [in Japanese]

    FURUYA Tomokazu , YANAGISAWA Yuki , KOBAYASHI Shogo , ITOH Kazunori

    … First, we clarified an optimum position for the stimulating air-jet and set an absolute threshold for this position by using the method of limits; … Next, we evaluated transmission of rhythm by three methods: air-jet stimulation, sound of percussion and vibratory stimulation. …

    The Transactions of Human Interface Society 13(1), 53-59, 2011-02-25

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  • Vibratory stimulus synthesis for a tactile display  [in Japanese]

    KATO Suguru , KAJITANI Hajime , NISHIMURA Kanako , IKEI Yasushi

    … This paper describes the characteristics of vibratory stimulus synthesis methods proposed for a haptic display. … The result provided basic design parameters for a vibratory display.This paper describes the characteristics of vibratory stimulus synthesis methods proposed for a haptic display. … The result provided basic design parameters for a vibratory display. …

    情報処理学会研究報告. UBI, [ユビキタスコンピューティングシステム] 24, C1-C4, 2009-11-12

    References (4)

  • Vibratory stimulus synthesis for a tactile display  [in Japanese]

    KATO Suguru , KAJITANI Hajime , NISHIMURA Kanako , IKEI Yasushi

    … This paper describes the characteristics of vibratory stimulus synthesis methods proposed for a haptic display. … The result provided basic design parameters for a vibratory display.This paper describes the characteristics of vibratory stimulus synthesis methods proposed for a haptic display. … The result provided basic design parameters for a vibratory display. …

    情報処理学会研究報告. HCI, ヒューマンコンピュータインタラクション研究会報告 = IPSJ SIG technical reports 135, C1-C4, 2009-11-12

    References (4)

  • Vibratory stimulus synthesis for a tactile display  [in Japanese]

    KATO Suguru , KAJITANI Hajime , NISHIMURA Kanako , IKEI Yasushi

    Human Interface 11(5), 9-12, 2009-11-12

    References (4)

  • A Clinical Study of Sensory Threshold on the Mental Nerve Area of Normal Japanese : Normal Values of Semmes-Weinstein Monofilaments Sensory Test, Two-point Discrimination Test and Vibratory Sensibility Test  [in Japanese]

    YOKOYAMA YOKO , TAKASAKI YOSHITO , KIKUCHI TETSUYUKI , TAKAKU YUICHIRO , HAMASE MAKI , TAKANO MASAYUKI , KAKIZAWA TAKASHI

    日本口腔診断学会雑誌 = Japanese journal of oral diagnosis/oral medicine 22(2), 239-246, 2009-10-30

    IR  Ichushi Web  References (25)

  • Basic research on the presentation technique and the tactile/force sensation fusion  [in Japanese]

    UDAKA Masanori , IKEI Yasushi

    本論文では,触覚力覚の提示手法および感覚融合に関して述べる.指が物体に接触した際の硬さの表現に関しては,力覚のみでは不十分とされてきた.本研究では,物体に接触したときの皮膚感覚を,ピン振動刺激で表現することで,硬さ感覚の一部を分担表現できるのではないかとの仮説について,その基礎的な検証を行なう.実験的検証は,44本の振動ピン刺激による触覚と2台のPhantom Omni(力覚デバイス)による力覚を …

    IPSJ SIG technical reports 130, 3-6, 2008-10-30

    References (6)

  • Vibratory sensation induced by low-frequency noise: the threshold for perceiving "vibration in the head"  [in Japanese]

    高橋 幸雄

    社団法人日本騒音制御工学会秋季研究発表会講演論文集 (9), 225-228, 2008

  • Sensation Scaling and Adaptation Measurement Under Vibratory Pin Stimulation for Tactile Virtual Reality  [in Japanese]

    IKEI Yasushi , OYAMA Harumi , DOBASHI Kazuo

    … This paper describes the characteristics of tactile sensation scale and adaptation recovery process measured under vibratory-pin stimulation for tactile virtual reality. … The results of scaling experiment indicated that the force control produced higher absolute threshold and finer difference thresholds at large mean contact force region than the length control, which suggested appropriate mean contact force was necessary for delivery of vibration to mechanoreceptors (PCs) in the lower layer of the skin. …

    Transactions of the Japan Society of Mechanical Engineers C 73(736), 3249-3256, 2007-12-25

    References (12)

  • A study on the threshold sound pressure level for the vibratory sensation induced by low-frequency noise  [in Japanese]

    高橋 幸雄

    社団法人日本騒音制御工学会秋季研究発表会講演論文集, 185-188, 2007-09

  • Evaluation of Congnition of Navigated Information evoked Vibratory Stimulus  [in Japanese]

    MIZUNO Tota , UCHIDA Masafumi , IDE Hideto

    運転免許の取得制限の緩和に伴い,重度聴覚障害者によるカーナビゲーション装置の利用が見込まれる.本研究は,聴覚障害者によるカーナビゲーション装置の利用を想定した触覚ナビゲーション装置の開発を目的とする.両耳裏付近に装着した扁平型偏芯振動モータを用いて触感核にファントムセンセーションを生起し,位置情報の伝達を試みた.ファントムセンセーションによる認知生起位置と振動強度比による生起位置の比較検討した結果 …

    IEICE technical report 106(592), 41-44, 2007-03-09

    References (6)

  • Sensation Scaling and Adaptation Measurement Under Vibratory Pin Stimulation for Tactile Virtual Reality  [in Japanese]

    IKEI Yasushi , OYAMA Harumi , DOBASHI Kazuo

    … This paper describes the characteristics of tactile sensation scale and adaptation recovery process measured under vibratory-pin stimulation for tactile virtual reality. … The results of scaling experiment indicated that the force control produced higher absolute threshold and finer difference thresholds at large mean contact force region than the length control, which suggested appropriate mean contact force was necessary for delivery of vibration to mechanoreceptors (PCs) in the lower layer of the skin. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 73(736), 3249-3256, 2007

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  • Dependency of Temporary Threshold Shift of Vibratory Sensation in Fingertip on 1/3 Octave-Band Hand-Arm Vibration Exposure Period

    NISHIYAMA Katsuo , TAODA Kazushi

    … Objectives: To investigate the dependency of temporary threshold shift of vibratoty sensation (TTS_v) in fingertip on hand-arm vibration exposure period. … The vibratory sensation threshold at 125Hz was measured before and after the exposure in the exposed middle fingertip. … was evaluated as the difference in vibratory sensation threshold between immediately before and t seconds after the exposure. …

    Environmental health and preventive medicine 11(3), 108-114, 2006-05

    J-STAGE  Ichushi Web  References (15)

  • Design of TextureDisplay2 : Advanced Haptic Display for Virtual Textures  [in Japanese]

    Ikei Yasushi , Yamada Mariko

    … In this paper, we describe a new design of haptic texture display consisting of fifty vibratory pins that evoke a virtual touch sensation of textured surfaces contacted to the user's fingerpad. … We measured, as fundamental evaluation, the difference threshold of object's spatial frequency presented on the display with four different intensity waveforms. …

    Transactions of the Virtual Reality Society of Japan 11(1), 105-114, 2006

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  • Numerical Simulation of Mechanical Alloying in a Shaker Mill by Discrete Element Method

    Chen Wenliang , Schoenitz Mirko , Ward Trent , Dave Rajesh N. , Dreizin Edward L.

    … It is a vibratory mill; … The numerical simulations also indicated that the milling progress is most significantly affected by milling media collisions with the energy within a specific threshold, while the collisions with smaller and greater energies are less effective. …

    KONA Powder and Particle Journal 23(0), 152-162, 2005

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