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A Simulated Road Crossing Study in Elders with Mild Alzheimer Disease

In: The 19th International Conference on Industrial Engineering and Engineering Management

Author

Listed:
  • Yang-Kun Ou

    (National Yunlin University of Science and Technology)

  • Chen-Wen Fang

    (National Taiwan University Hospital (Yunlin Branch))

  • Yung-Ching Liu

    (National Yunlin University of Science and Technology)

Abstract

Road-crossing safety is an important issue in an aging society. To assess the risk of unsafe crossing behaviors in patients with Alzheimer’s disease (AD), we compared 12 pedestrians with mild AD and healthy controls using a battery of cognitive, visual, and motor tests. With a simulated simple road-crossing situation, we determined the remaining time and safety margin for each participant in different traffic situations with variable vehicle speed, time gap, and time of the day. We found that pedestrians with AD were more vulnerable to traffic accidents while crossing the road than control subjects. Impaired visuoconstructional ability and visual attention predicted worsening of safety errors within the AD group. We also found that environmental traffic factors, such as fast oncoming vehicle speed, short time gap, and time of day, also affected road-crossing safety. This report provided important suggestions for road designing and future supplementary gears for AD patients during road crossing.

Suggested Citation

  • Yang-Kun Ou & Chen-Wen Fang & Yung-Ching Liu, 2013. "A Simulated Road Crossing Study in Elders with Mild Alzheimer Disease," Springer Books, in: Ershi Qi & Jiang Shen & Runliang Dou (ed.), The 19th International Conference on Industrial Engineering and Engineering Management, edition 127, chapter 0, pages 729-737, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-38433-2_78
    DOI: 10.1007/978-3-642-38433-2_78
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