Recognition of Cortical Modulation Mechanism in Elderly Postural Control under the Computerized Dynamic Posturography

Chun-Ju Chang, Jen-Suh Chern, Tsui-Fen Yang, Saiwei Yang
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引用次数: 1

Abstract

The high level of central nervous system plays an important role to modulate the balance stability, also, the neuromotor integrated the external interference and sensorimotor information to keep individual stability. For understanding the postural control within elderly adults, in this study, we provided continues and unexpected platform perturbation, which combined with the virtual reality and real-time orientated inertia sensor, to investigate the postural sway and cortical response relationship between healthy elderly. Results showed that although postural sway and cortical activation were affected by the visual interference, significant contrary cortical modulations were found between the condition with and without the visual interference. The various modulations in central nervous system provide valid evidence that the cerebrum modulated the postural reactions timely based on the challenged of the external environment. The concepts of the neuromotor correlation may provide information for the design of human-machine interface, and the application of the useful interactive monitor device is also advised for detecting the risk of fall.
计算机动态体位术下老年人体位控制皮层调节机制的识别
高水平的中枢神经系统对平衡的稳定性起着重要的调节作用,同时,神经运动结合外部干扰和感觉运动信息来保持个体的稳定性。为了解老年人的体位控制,本研究提供持续和意外的平台扰动,结合虚拟现实和实时定向惯性传感器,研究健康老年人的体位摇摆与皮质反应的关系。结果表明,虽然体位摇摆和皮质激活受到视觉干扰的影响,但在有视觉干扰和没有视觉干扰的情况下,皮层的调节明显相反。中枢神经系统的各种调节为大脑根据外界环境的挑战及时调节体位反应提供了有力的证据。神经运动相关的概念可以为人机界面的设计提供信息,并建议应用有用的交互式监测装置来检测跌倒风险。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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