Neuropsychological Correlates of Changes in Driving Behavior Among Clinically Healthy Older Adults

What factors influence the relationship between feedback on cognitive performance and subsequent driving self-regulation?

Andrew J Aschenbrenner, Samantha A Murphy, Jason M Doherty, Ann M Johnson, Sayeh Bayat, Alexis Walker, Yasmin Peña, Jason Hassenstab, John C Morris and Ganesh M Babulal

The Journals of Gerontology: Series B, 2022, vol. 77, issue 10, 1769-1778

Abstract: ObjectivesTo determine the extent to which cognitive domain scores moderate change in driving behavior in cognitively healthy older adults using naturalistic (Global Positioning System-based) driving outcomes and to compare against self-reported outcomes using an established driving questionnaire.MethodsWe analyzed longitudinal naturalistic driving behavior from a sample (N = 161, 45% female, mean age = 74.7 years, mean education = 16.5 years) of cognitively healthy, nondemented older adults. Composite driving variables were formed that indexed “driving space” and “driving performance.” All participants completed a baseline comprehensive cognitive assessment that measured multiple domains as well as an annual self-reported driving outcomes questionnaire.ResultsAcross an average of 24 months of naturalistic driving, our results showed that attentional control, broadly defined as the ability to focus on relevant aspects of the environment and ignore distracting or competing information as measured behaviorally with tasks such as the Stroop color naming test, moderated change in driving space scores over time. Specifically, individuals with lower attentional control scores drove fewer trips per month, drove less at night, visited fewer unique locations, and drove in smaller spaces than those with higher attentional control scores. No cognitive domain predicted driving performance such as hard braking or sudden acceleration.DiscussionAttentional control is a key moderator of change over time in driving space but not driving performance in older adults. We speculate on mechanisms that may relate attentional control ability to modifications of driving behaviors.

Keywords: Attentional control; Naturalistic driving; Self-regulation (search for similar items in EconPapers)
Date: 2022
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