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Title:
A comparison of the hazard perception ability of matched groups of healthy drivers aged 35-55, 64-74, and 75-84 years
Authors:
Horswill, M.S., Pachana, N.A., Wood, J., Marrington, S.A., McWilliam, J., & McCullough, C.M.
Journal:
Journal of the International Neuropsychological Society (2009)

We examined differences in response latencies obtained during a validated video-based hazard perception driving test between three healthy, community-dwelling groups: 22 mid-aged (35-55 years), 34 young-old (65-74 years), and 23 old-old (75-84 years) current drivers, matched for gender, education level, and vocabulary. We found no signifi cant difference in performance between mid-aged and young-old groups, but the old-old group was signifi cantly slower than the other two groups. The differences between the old-old group and the other groups combined were independently mediated by useful fi eld of view (UFOV), contrast sensitivity, and simple reaction time measures. Given that hazard perception latency has been linked with increased crash risk, these results are consistent with the idea that increased crash risk in older adults could be a function of poorer hazard perception, though this decline does not appear to manifest until age 75+ in healthy drivers. ( JINS , 2009, 1-4 .)

Accessed: 4773 times
Created: Wednesday, 8th July 2009 by paulj
Modified: Tuesday, 23rd August 2011 by paulj
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