调整到步行:提示类型,节拍感知和步态动态在节奏刺激期间在衰老中
Averil Parker1,2, Simone Dalla Bella3, Virginia B Penhune4
1Department of Psychology, Concordia University, 7141 Sherbrooke St W, Montréal, QC, H4B 1R6, Canada. averilparker@gmail.com.
Experimental brain research
|February 9, 2026
概括
分形节奏听觉线索 (RAC) 增强了所有成年年龄段的步态变化,与同步线索不同. 最佳的RAC参数取决于年龄和节拍感知,而不是注意力负荷.
科学领域:
- 生物力学 生物力学
- 神经科学是一个神经科学.
- 老年学是指老年学的学科.
背景情况:
- 节奏性听觉暗示 (RAC) 改善了老年人的步态,通常使用同时 (恒定间隔) 暗示.
- 健康的步态表现出与长距离相关性 (LRC) 类似的碎形变异性,这种变异性被同时线索破坏.
- 碎形线索可能会保留或增强步态LRC,但在成年人寿命和不同认知负载下进行的研究是有限的.
研究的目的:
- 在成年人寿命 (年轻人,中年人,老年人) 中调查RAC的最佳参数.
- 为了确定碎形线索是否增强步行LRC与不同年龄组的同时线索相比.
- 检查注意力负荷和节拍感知对步态LRC的RAC有效性的影响.
主要方法:
- 62名成年人 (年轻人,中年人,老年人) 在圆轨道上在安静和有线条件下行走.
- 关心的条件涉及同时和碎形节奏的听觉线索在增加的注意力负载.
- 分析了步行长距离相关性 (LRC),并评估了节拍感知.
主要成果:
- 碎形线索增加了所有成年年龄组的步态LRC,中年成年人显著增加.
- 注意力负荷没有显著影响步态LRC.
- 同时线索降低了步态LRC,特别是在有更好的节拍感知的人群中.
结论:
- 碎形节奏听觉线索比同时线索更有效,可以在成年人一生中保持步态变化.
- 节拍感知,而不是注意力负荷,可以缓和暗示类型对步态LRC的影响.
- 步态增强的最佳RAC参数取决于年龄,并受到个体节拍感知能力的影响.
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