The Effect of Aging on the Synchronization of Human Arm Movements to External Events
The Effect of Aging on the Synchronization of Human Arm Movements to External Events
复制标题
衰老对人体手臂运动与外部事件同步性的影响
DOI：
10.1080/03610730290080362
复制
发表时间：
2002
影响因子：
1.8
通讯作者：
C. Delecluse
中科院分区：
文献类型：
--
作者：
M. Buekers;Tanja Ceux;G. Montagne;C. Delecluse
本研究的目的是分析周期性手臂运动与外部事件的同步性，并确定在操纵感知和行动之间的耦合强度时与年龄相关的差异。一组年轻人和一组老年受试者必须跟踪水平移动的光线，同时沿相同方向（同相）或相反方向（反相）操纵杠杆。结果显示，与同相条件相比，两个年龄组在反相位条件下的表现均有所下降，但这种下降对于老年人来说更为明显。有趣的是，随着练习，这种年龄效应消失了。观察到的与年龄相关的表现下降很可能是由于老年人在无法直接获取所需的视觉信息时难以纠正在线动作。尽管如此，这项研究也强调了老年人通过训练恢复表现损失的能力。
The aim of this study was to analyze the synchronization of cyclical arm movements to an external event and to determine age-related differences when the coupling strength between perception and action is manipulated. A group of young and a group of older subjects had to track a moving light travelling horizontally while manipulating a lever in the same direction (in-phase) or in the opposite direction (anti-phase). The results showed a performance decrease for both age groups in the anti-phase condition as compared to the in-phase condition, yet this decrease was more pronounced for the older persons. Interestingly, this age effect disappeared with practice. Most likely the observed age-related performance decrement was due to the difficulties encountered by older people to correct on line movements when the visual information needed was not directly accessible. Nevertheless, this study also highlights the capacity of older people to regain the performance loss through training.