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Investigating Simulated Driving Errors in Amnestic Single- and Multiple-Domain Mild Cognitive Impairment
Megan A Hird1,2, Kristin A Vesely1,2, Corinne E Fischer1,3
1Neuroscience Research Program, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada.
Abstract:
The areas of driving impairment characteristic of mild cognitive impairment (MCI) remain unclear. This study compared the simulated driving performance of 24 individuals with MCI, including amnestic single-domain (sd-MCI, n = 11) and amnestic multiple-domain MCI (md-MCI, n = 13), and 20 age-matched controls. Individuals with MCI committed over twice as many driving errors (20.0 versus 9.9), demonstrated difficulty with lane maintenance, and committed more errors during left turns with traffic compared to healthy controls. Specifically, individuals with md-MCI demonstrated greater driving difficulty compared to healthy controls, relative to those with sd-MCI. Differentiating between different subtypes of MCI may be important when evaluating driving safety.
