线索对步态变异性的影响——降低帕金森病患者行走的注意力成本。
The effect of cues on gait variability--reducing the attentional cost of walking in people with Parkinson's disease.
作者信息
Baker Katherine, Rochester Lynn, Nieuwboer Alice
机构信息
School of Health, Community and Education Studies, Northumbria University, Newcastle, UK.
出版信息
Parkinsonism Relat Disord. 2008;14(4):314-20. doi: 10.1016/j.parkreldis.2007.09.008. Epub 2007 Nov 7.
Parkinson's disease (PD) subjects have increased gait variability, reflecting greater attentional demand during walking. This study aimed to investigate the attentional cost of three cueing strategies by examining their effect on gait variability. Fourteen PD and 12 age matched control subjects were studied under single and dual walking tasks. Gait variability of PD subjects tended to reduce with all cues, the most consistent reductions in variability seen with a combination of an attentional strategy (focussing on big steps) and a rhythmical auditory cue. The reduction in gait variability of PD subjects with cues, suggests they may reduce the attentional cost of walking.
帕金森病（PD）患者的步态变异性增加，这反映出他们在行走过程中需要更多的注意力。本研究旨在通过考察三种提示策略对步态变异性的影响，来探究其注意力成本。14名帕金森病患者和12名年龄匹配的对照受试者在单任务和双任务行走条件下接受了研究。帕金森病患者的步态变异性在所有提示下都有降低的趋势，其中注意力策略（专注于大步幅）和节奏性听觉提示相结合时，变异性降低最为一致。帕金森病患者在有提示时步态变异性的降低表明，这些提示可能降低了行走的注意力成本。
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