Age-related deficits of dual-task walking: a review.

Age-related deficits of dual-task walking: a review.
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DOI:
10.1155/2012/131608
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发表时间:
2012
期刊:
影响因子:
3.1
通讯作者:
Bock O
Bock O
中科院分区:
医学4区
文献类型:
--
作者:
Beurskens R;Bock O

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本文综述了我们目前对老年人行走问题的认识。我们强调大脑中的可塑性变化,这些变化允许部分补偿这些与年龄相关的缺陷,并讨论相关的成本和限制。对执行功能和工作记忆的关键作用提出了实验证据,这让我们得出这样的假设:老年人很难协调两个视觉信息流,一个与在视觉定义的空间中导航有关,另一个与视觉上要求很高的第二项任务有关。这一假说预测,旨在提高老年人视觉协调效率的干预措施将改善他们在双重任务行走方面的缺陷。
This review summarizes our present knowledge about elderly people's problems with walking. We highlight the plastic changes in the brain that allow a partial compensation of these age-related deficits and discuss the associated costs and limitations. Experimental evidence for the crucial role of executive functions and working memory is presented, leading us to the hypothesis that it is difficult for seniors to coordinate two streams of visual information, one related to navigation through visually defined space, and the other to a visually demanding second task. This hypothesis predicts that interventions aimed at the efficiency of visuovisual coordination in the elderly will ameliorate their deficits in dual-task walking.
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