Older adults’ driving patterns may serve as early indicators of dementia, with greater white matter damage linked to reduced driving, fewer trips, route repetition, and more driving errors among those who later develop dementia.

Subtle shifts in daily driving could reveal brain changes before traditional memory and thinking symptoms, and monitoring driving with in-vehicle data loggers may help identify at‑risk individuals.

Among participants with cognitive impairment, greater white matter hyperintensity correlated with unsafe driving and more crashes, especially when changes were in the occipital region.

Implications include using driving behavior data as continuous, real‑world screening outside clinical visits, potentially guiding licensing decisions and targeted interventions while addressing privacy and independence concerns.

Future work should determine whether early driving‑based interventions can slow decline and how to implement widespread monitoring and clinical protocols.

The findings will be presented at the American Stroke Association’s International Stroke Conference in New Orleans, with experts noting the need for more research on how ACE inhibitors may affect driving safety and white matter disease.

While ACE inhibitors showed an association with safer driving, causality is not established, and further study is needed to understand mechanisms and potential clinical use of driving data for early dementia detection.

Independent expert Nada El Husseini calls for more investigation into how these medications could influence cognitive function and driving safety in people with white matter disease.

In a five‑year study of 220 dementia‑free drivers in St. Louis, researchers collected in‑vehicle data, MRI scans, and cognitive tests from 2016 to 2024 to explore links between driving metrics and brain health.

The study followed drivers over age 65 with in‑vehicle sensors and health monitoring to connect driving behavior with white matter hyperintensities and cognitive changes.

A five‑year study of older drivers used in‑vehicle data and imaging to investigate how driving behavior relates to brain health markers.

The article suggests considering cognitive screening and brain imaging for individuals with driving difficulties and highlights balancing safety with independence in dementia care.