聴覚刺激の視覚誘導性サッケードに及ぼす影響 Effects of Sound Strmulatron on the Visually Guided Saccades

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著者

    • 福田 秀樹 FUKUDA Hideki
    • 労働省産業医学総合研究所作業条件適応研究部 Division of Work Stress Control. National Institute of Industrial Health Ministry of Labour
    • 正木 義男 MASAKI Yoshio
    • 順天堂大学医学部耳鼻咽喉科学教室 Department of Otorhinolaryngology. Juntendo University School of Medicine

抄録

We used saccade latency in a visually guided saccade task as an index to examine the effects of sound stimulation.<BR>A light-emitting diode (LED) was embedded in a dome-shaped screen. DC electro-oculography (EOG) was used to record eye movements. Sound stimuli were delivered from a speaker at the center of the dome or from headphones or speakers on either side. The task was to maintain visual fixation at the dome center while the LED was on (overlap paradigm). LEDs on either side of the target at 20° were illuminated 20-50 times per session, and control data were obtained without sound stimulation.<BR>When sound stimuli were delivered from the speaker at the center of the dome every 10 ms between Target ON -200 to +200 ms, the latency was shortened between Target ON -200 to + 60 ms. When the sound stimulation from the speaker and the target were on the same side (the ortho condition), the latency was even shorter, in the target were on the opposite side (the anti condition), there was less shortening of the latency.<BR>These data suggested that sound simulation causes the loss of attention when a subject is asked to pay attention to a central fixation point, and results in brief eye movement towards the target spot.

収録刊行物

  • Equilibrium research

    Equilibrium research 58(4), 301-310, 1999-08-01

    Japan Society for Equilibrium Research

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各種コード

  • NII論文ID(NAID)
    10008712816
  • NII書誌ID(NCID)
    AN00001485
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03855716
  • データ提供元
    CJP書誌  J-STAGE 
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