REALITY BASED MULTISYSTEM BALANCE ASSESSMENT IN THE AGED

该项目满足了对敏感和预测措施的需求 可以识别有跌倒风险的老年人，从而预防 毁灭性伤害造成的一些人员和社会损失。 动态 平衡评估方法将与虚拟现实相结合 技术来产生评估平衡的创新技术 模拟现实世界的环境。 目前的技术只能重现 简单的环境条件，与挑战性的情况相去甚远 日常生活中遇到的。 第一阶段，三维模拟 老年人经历不稳定的环境状况 将被开发。 年轻人的姿势反应和看法 老年正常受试者将接受测试。 这种方法的可行性 将通过比较健康老年人和老年人的反应来评估 有跌倒的倾向。 第二阶段，交互式虚拟现实 具有适当数量平衡评估的“环境”将 创建的。 长期目标是充分发挥虚拟化的潜力 现实技术，正在开发功能相关的平衡测试 技术完全基于心理物理学和临床电学 生理方法。 通过使系统用户友好和编目 定量信息以及其他健康状况衡量标准， 可以识别新出现的异常现象，从而将重点从 诊断到预防。

This project addresses the need for sensitive and predictive measures that can identify elderly persons at risk for falling, thereby preventing some of the human and societal costs of devastating injuries. Dynamic balance assessment methods will be combined with virtual-reality techniques to produce an innovative technology for evaluating balance in simulated real-world environments. Present techniques reproduce only simple environment conditions, a far cry from the challenging situations encountered in daily life. In Phase I, three-dimensional simulations of environmental situations in which the elderly experience instability will be developed. Postural responses and perceptions of young and elderly normal subjects will be tested. Feasibility of this approach will be evaluated by comparing responses of healthy elderly and elderly with a propensity to fall. In Phase II, interactive virtual-reality 'environments' with appropriate quantitative balance assessments will be created. A long-term goal is to fully realize the potential of virtual- reality technology, be developing functionally relevant balance testing techniques soundly based on psychophysics and clinical electro- physiological methods. By making the system user-friendly and cataloging quantitative information along with other health status measures, emerging abnormalities could be identified, shifting the emphasis from diagnosis to prevention.