Vestibulospinal control of posture.
Vestibulospinal control of posture.
复制标题
前庭脊髓控制姿势。
DOI：
10.1007/978-1-4615-0713-0_17
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发表时间：
2002
影响因子：
--
通讯作者：
Jeka,John
中科院分区：
文献类型：
--
作者：
Horak,FayB;Buchanan,John;Creath,Robert;Jeka,John
为了更好地理解前庭系统在姿势协调中的作用，我们比较了双侧前庭功能完全丧失的受试者和年龄匹配的对照受试者在各种频率的支撑表面正弦位移期间保持平衡和姿势定向的能力。我们还研究了视觉或体感轻触信息替代动态姿势协调中缺失的前庭信息的能力。结果表明，前庭信息被用作重力参考系，以防止在复杂的姿势任务中躯干在空间中缓慢漂移。此外，来自手指在稳定参考上的轻触摸的视觉信息或体感信息可以显著地替代前庭功能的丧失。
To better understand the role of the vestibular system in postural coordination, we compared the ability of subjects with complete, bilateral loss of vestibular function and age-matched control subjects to maintain equilibrium and postural orientation during sinusoidal displacements of the support surface at a variety of frequencies. We also examined the ability of visual or somatosensory-light touch information to substitute for missing vestibular information in dynamic postural coordination. The results suggest that vestibular information is used as a gravitational reference frame to prevent slow drift of the trunk in space during complex postural tasks. Furthermore, visual information or somatosensory information from light touch of a finger on a stable reference can significantly substitute for loss of vestibular function.