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- 三好 豊二
- 京都大学医学部耳鼻咽喉科学教室
書誌事項
- タイトル別名
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- Vestibular and Optokinetic Disequilibria
- ゼンテイセイ ヘイコウ シッチョウ ト シウンドウセイ ヘイコウ シッチョウ
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Vestibular and optokinetic stimulations induce balance disorder and nystagmus. The differences between these two balance disorders were compared. By means of the correlogram between body sway and head tilt, the change of posture was investigated. The posture was evaluated in terms of position and attitude. The continuous correlogram of body sway and head tilt was obtained by the combined use of a gravicorder, an accelerometer and X-Y recorder. The position was expressed by the body's center of gravity and the attitude was expressed by the correlogram, especially by the divergence from the regression line of the correlogram. The correlogram deviated to the slow-phase side of nystagmus on caloric stimulation. This deviation was, however, much larger in head tilt than that in body sway. The correlogram deviated biphasically along the regression line on optokinetic stimulation. The head tilt was proportional to the body sway. Thus, in caloric unbalance, not only the position but also the attitude were changed. In optokinetic unbalance, only the position was changed and the attitude was maintained as before stimulation. These findings indicate that optokinetic disequilibrium was due to disorientation in space, but vestibular disequilibrium was due to disturbance in the relationship between the head and body.
収録刊行物
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- 耳鼻咽喉科臨床
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耳鼻咽喉科臨床 74 (4special), 579-588, 1981
耳鼻咽喉科臨床学会
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詳細情報 詳細情報について
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- CRID
- 1390282679246012416
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- NII論文ID
- 130001814353
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- NII書誌ID
- AN00107089
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- ISSN
- 18844545
- 00326313
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- NDL書誌ID
- 2348895
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- JaLC
- NDL
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