空間識と身体の平衡 : 起立時の高さと身体の動揺に関する検討 The Influence of Height on the Spatial Orientation and Equilibrium of the Body

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Spatial orientation is influenced by many factors such as vision, hearing, vestibular input, and so on. However, the details of when and which factor exert influence on this process remain mostly unknown. We investigated the influence of height on spatial orientation under various conditions.<BR>Body movement was recorded by stabilometry for 30 seconds under each of three visual conditions (eyes open without gaze fixation, eyes closed, and eyes open with gaze fixation) at 0 m, 1 m, 2 m, and 10 m22 cm high in 30 normal volunteers (14 males and 16 females) who had no history of vertigo or dizziness. Eight of subjects claimed to be acrophobic.<BR>The total length of the gravity center movements reflected the body sway best. The sway was minimal with eyes open and gaze fixated, and maximal with eyes closed. The sway increased at 10 m22 cm high, but was almost the same at 1 m and 2 m high. The acrophobic group was clearly worse than the non-acrophobic group at 10 m22 cm high. Their total shifting length increased because they became tense and shivered fractionally.<BR>Visual information which served as the base was useful for spatial orientation, and the mental factor of fear caused tension and the sway increased especially in the acrophobic group at 10 m22 cm high.

収録刊行物

  • Equilibrium research

    Equilibrium research 57(4), 435-442, 1998-08-01

    Japan Society for Equilibrium Research

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各種コード

  • NII論文ID(NAID)
    10008711386
  • 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  CJP引用  J-STAGE 
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