Paulus W, Straube A, Brandt T H
Neurological Clinic, University of Munich, Federal Republic of Germany.
J Neurol Neurosurg Psychiatry. 1987 Nov;50(11):1542-5. doi: 10.1136/jnnp.50.11.1542.
Visual stabilisation of body sway in a patient with severe deficits of the vestibular system (due to gentamicin treatment) and the somatosensory system (due to polyneuropathy) was studied. With eyes open the patient was able to stand and walk slowly. With eyes closed he lost balance within one second. In order to optimise visual stabilisation he intuitively searched for nearby visual targets. His postural sway was recorded using posturography. His balance performance deteriorated significantly beyond a distance of 1 m between the eyes and the surrounding objects and with visual acuity below 0.3 (experimentally achieved with semitransparent plastic foils). With flicker illumination of decreasing frequencies of the visual surround he needed at least a visual input rate of 17 Hz in order to maintain an upright body position. The data provide clinical evidence for rapid visuo-spinal control of posture.
对一名前庭系统（因庆大霉素治疗）和体感系统（因多发性神经病）严重受损的患者的身体摇摆视觉稳定情况进行了研究。患者睁眼时能够站立并缓慢行走。闭眼时，他在一秒内就会失去平衡。为了优化视觉稳定，他会直观地寻找附近的视觉目标。使用姿势描记法记录他的姿势摇摆情况。当眼睛与周围物体之间的距离超过1米且视力低于0.3（通过半透明塑料箔实验实现）时，他的平衡能力显著下降。对于视觉环境频率逐渐降低的闪烁照明，他至少需要17赫兹的视觉输入率才能保持身体直立姿势。这些数据为姿势的快速视觉 - 脊髓控制提供了临床证据。
