在老年人中感知可行宽度的扩展
Naoki Kuroda1, Ryo Teraoka2, Shinya Harada1
1Faculty of Humanities and Social Sciences (Psychology), Kumamoto University, 2-40-1 Kurokami, Kumamoto 860-8555, Japan.
Human movement science
|January 28, 2025
概括
老年人扩大他们的感知可通的宽度,当身体摇摆增加,不像年轻的成年人. 这表明,老年人使用身体摇摆来衡量安全边缘,即使在不行走时也是如此.
科学领域:
- * 人类感知和生物力学
- * 老年学和衰老研究.
- * 视觉空间处理
背景情况:
- *可穿过宽度感知是判断一个光圈是否可以穿过的能力.
- *以前的研究表明,老年人走路时会感觉到更大的可行宽度.
- * 假设这种扩张与老年人运动时增加的身体摆动有关.
研究的目的:
- * 调查身体不稳定对可行宽度感知的直接影响.
- * 为了比较年轻人和老年人的这些影响.
- * 为了确定身体摇摆是否会影响在非行走情况下的可行宽度判断.
主要方法:
- * 进行了两项实验,涉及年轻人和老年人观察光圈宽度.
- * 参与者采取了稳定的 (罗姆伯格立场) 和不稳定的 (并排立场,一腿站立) 立场.
- *使用运动捕捉测量了身体摇摆,参与者判断了光圈的可通性.
主要成果:
- *所有参与者在不稳定的姿势 (Tandem vs. Romberg) 中都观察到身体摆动的增加.
- *在不稳定的条件下,相比于稳定的条件下,老年人的可穿行宽度感知扩大.
- * 年轻的成年人即使在高度不稳定的姿势 (一腿站立) 中,也没有显示可行宽度感知的变化.
结论:
- *年长的成年人,但不是年轻的成年人,根据实时的身体摇摆调整可行宽度感知.
- *这表明,老年人利用在线身体摇摆信息来估计安全边缘.
- * 建议在未来研究可行宽度感知时测量身体摇摆.
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