Tia Banty, Mourey France, Ballay Yves, Sirandré Cyril, Pozzo Thierry, Paizis Christos
Motricité et Plasticité, INSERM/U877, Université de Bourgogne, Campus Universitaire, B.P. 27877, 21078 Dijon, France.
Neurosci Lett. 2010 Aug 16;480(2):138-42. doi: 10.1016/j.neulet.2010.06.026. Epub 2010 Jun 12.
Action observation influences action execution; this strong coupling is underlined by an overlap of cortical areas activated during observation and execution of action, and is dependent of specific motor experience. The goal of the present study was to verify if action observation can be used for rehabilitation of elderly people. We tested this question with a protocol of observational practice of 2 frequently used movements: walking and sit-to-stand/back-to-sit. Both tasks were performed at normal and maximal speed before and after training, by 8 elderly subjects. Observational practice led to an increase in walking velocity via an increase in step frequency, but without modification of step length. In addition, we noted a reduction in BTS duration, but no modification of STS duration. These results highlight the fact that observational practice induces a reactivation in mental representation of action, and may lead to better movement control. Overall, observational practice offers interesting perspectives for rehabilitation of elderly people.
动作观察会影响动作执行；这种紧密的耦合关系通过在动作观察和执行过程中激活的皮质区域重叠得以体现，并且依赖于特定的运动经验。本研究的目的是验证动作观察是否可用于老年人的康复治疗。我们通过对两种常用动作（行走和坐立/坐回）进行观察练习的方案来测试这个问题。8名老年受试者在训练前后以正常速度和最大速度完成了这两项任务。观察练习通过增加步频提高了行走速度，但步长没有改变。此外，我们注意到坐立时间缩短了，但坐回时间没有改变。这些结果突出了这样一个事实，即观察练习会在动作的心理表征中引发重新激活，并可能导致更好的运动控制。总体而言，观察练习为老年人的康复治疗提供了有趣的前景。
