Brain activation and gait alteration during cognitive and motor dual task walking in stroke -a functional near-infrared spectroscopy study

Yan Ci Liu, Yea Ru Yang, Yun An Tsai, Ray Yau Wang, Chia Feng Lu

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11 引文 斯高帕斯(Scopus)

摘要

This study investigated the effects of cognitive and motor dual tasks on gait performance and brain activities in stroke. Twenty-three stroke subjects performed single walking (SW), walking while performing cognitive task (WCT), and walking while performing motor task (WMT) at self-selected speed. The gait performance was recorded, including speed, cadence, stride time, stride length, and dual task cost (DTC). Brain activities in prefrontal cortex (PFC), premotor cortex (PMC), and supplementary motor areas (SMA) were measured by functional near-infrared spectroscopy during walking. Results showed significant decrease in speed, cadence, and stride length, and increase in stride time were noted in both WCT and WMT compared with SW condition. There was no significant difference in DTC between WCT and WMT. The non-lesioned SMA and most channels of bilateral PMCs exhibited significant increases in the index of hemoglobin differential during WCT and WMT compared with SW. Moreover, gait performance was negatively correlated with bilateral PMCs and lesioned SMA during different walking tasks. In conclusion, deteriorated gait performance was noted in stroke attempting dual tasks. No significant difference between the two dual tasks on gait performance. Nevertheless, SMA and especially PMC were crucial in cognitive and motor dual task walking after stroke.
原文英語
文章編號8509601
頁(從 - 到)2416-2423
頁數8
期刊IEEE Transactions on Neural Systems and Rehabilitation Engineering
26
發行號12
DOIs
出版狀態接受/付印 - 一月 1 2018
對外發佈

Keywords

  • Brain
  • Brain activities
  • Cognitive dual task
  • Gait performance
  • Hemodynamics
  • Legged locomotion
  • Monitoring
  • Motion artifacts
  • Motor dual task
  • Spectroscopy
  • Stroke
  • Task analysis

ASJC Scopus subject areas

  • 神經科學 (全部)
  • 生物醫學工程
  • 電腦科學應用

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