体平衡と各種視運動性刺激の関係 (京都大学医学部耳鼻咽喉科学教室6年間の歩み(1977-1982年)--檜学教授還暦によせて)

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The effects of optokinetic stimuli of several types upon body balance were discussed. A force plate for measuring the body center of gravity and a Jung-type optokinetic stimulator were used. A separating device for visual field was attached to create a condition of artificial scotoma. Optokinetic stimuli of the whole visual field, peripheral visual field and whole visual field with a fixating point were tested. The results were as follows.1. The body sway induced by optokinetic stimulation of the whole visual field shows two phasic deviations. In the slow speed range of stimulation, the body deviates in the direction opposite to the rotation. In the high speed range, on the contrary, it deviates in the same direction as stimulation.2. The former phase may be a coordinative one and the latter one a disturbed phase.3. Body sway induced by peripheral optokinetic stimulation, whether looking or staring, shows one directional deviation, in the same direction as the stimulation.4. The body is attracted to the same direction as the stimulation, when a fixating point is set on the screen of the optokinetic stimulator.5. The states of these latter three conditions are quite similar to that of the second phase of the usual optokinetic stimulation, that is to say, the disturbed phase.6. The disturbance of body balance of this kind arises from disoriantation in space due to the image slipping on the retina.7. The subject who has been disturbed is attracted by stimulation and deviates toward the same direction as the stimulation.
耳鼻咽喉科臨床学会の論文

体平衡と各種視運動性刺激の関係 (京都大学医学部耳鼻咽喉科学教室6年間の歩み(1977-1982年)--檜学教授還暦によせて)

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