Driving Assessment for Persons with Dementia: How and when?

Area of Science:

• Neuroscience
• Gerontology
• Transportation Safety

Background:

• Dementia is a progressive neurodegenerative disease impacting cognitive and physical abilities, including driving.
• Driving is a critical activity for independence, but complex skills are required for safe operation.
• Assessing driving capacity is crucial for managing dementia patients due to potential safety risks.

Purpose of the Study:

• To identify common driving behaviors associated with dementia.
• To compare the effectiveness of various driving assessment methods in individuals with dementia.

Main Methods:

• A systematic literature search was performed following the PRISMA checklist.
• Forty-four observational studies and four meta-analyses were included in the review.
• Assessment methods analyzed included naturalistic driving, on-road assessments, neuropsychological tests, and self/caregiver ratings.

Main Results:

• Drivers with dementia demonstrated poorer performance compared to cognitively normal drivers.
• Common deficits included poor speed and lane maintenance, intersection management issues, and delayed responses to traffic stimuli.
• Naturalistic driving and on-road assessments showed the highest predictive accuracy for driving impairment.

Conclusions:

• Driving behaviors and assessment outcomes are influenced by dementia etiology and stage.
• Current research methodologies and findings are inconsistent, highlighting a need for higher quality studies.
• Standardized and accurate driving assessments are essential for the safe management of individuals with dementia.