When do problems with memory and decision-making affect older adults’ ability to drive?

Study finds lower levels of cognitive function were linked to a higher risk of motor vehicle crashes | Journal of the American Geriatrics Society | via ScienceDaily

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A team of researchers designed a study to learn more about cognitive health and older drivers’ crash risks. The study focused on links between levels of cognitive function and crash risk among older drivers without dementia. They also assessed the link between changes in cognitive function over time and later risks of crashes.

Researchers followed 2,615 participants for an average of 6.7 years, and looked at motor vehicle crashes involving participants. For older licensed drivers without dementia, lower levels of cognitive function were linked to a higher risk of motor vehicle crashes. Depression also was linked to a higher risk for crashes in older licensed drivers without dementia.

The researchers noted that, unfortunately, there is not yet a widely accepted specific clinical exam, procedure, or lab test that can evaluate driving and crash risk related to cognitive function. The researchers concluded that older drivers with lower levels of cognitive function were somewhat more likely to be involved in a crash.

Full story at ScienceDaily

Full reference: Fraade-Blanar, L.A. et al. |  Cognitive Decline and Older Driver Crash Risk. Journal of the American Geriatrics Society | published online 17 April 2018

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