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Predictors of lane-change errors in older drivers
Cynthia A Munro1, Joan Jefferys, Emily W Gower
1Department of Psychiatry and Behavioral Sciences, The Johns Hopkins University School of Medicine, 600 N Wolfe St, Meyer 218, Baltimore, Maryland 21287, USA. cmunro@jhmi.edu
Journal of the American Geriatrics Society
|April 20, 2010
Summary
Cognitive function, not vision or stress, predicts lane change errors in older drivers. Specific skills like attention and visual-motor integration are crucial for safe driving maneuvers in seniors.
Area of Science:
- Gerontology
- Traffic Safety Research
- Cognitive Neuroscience
Background:
- Safe driving is essential for older adults' independence.
- Lane changes are complex maneuvers that can be challenging for aging drivers.
- Understanding factors contributing to driving errors is vital for developing interventions.
Purpose of the Study:
- To identify predictors of lane change errors in older drivers.
- To investigate the role of vision, cognition, and psychological factors in driving performance.
Main Methods:
- Cross-sectional analysis of data from 1080 drivers (aged 67-87) in Maryland.
- Assessed vision, cognition (including attention and visual-motor integration), health, and distress.
- Utilized a driving monitoring system to quantify lane-change errors.
Main Results:
- Cognitive performance, specifically the Brief Test of Attention and Beery-Buktenicka Test of Visual-Motor Integration, significantly predicted lane change errors.
- Vision and perceived stress were not associated with lane change errors after controlling for demographic factors.
Conclusions:
- Specific cognitive abilities, including auditory attention and visual perception, are critical for safe lane changes in older adults.
- Interventions aimed at improving cognitive function may enhance driving safety in the elderly population.
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