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The Journals of Gerontology Series A: Biological Sciences and Medical Sciences Advance Access originally published online on September 2, 2009
The Journals of Gerontology Series A: Biological Sciences and Medical Sciences 2009 64A(12):1262-1267; doi:10.1093/gerona/glp131
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© The Author 2009. Published by Oxford University Press on behalf of The Gerontological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org.

Cognitive Speed of Processing Training Delays Driving Cessation

Jerri D. Edwards1, Peter B. Delahunt2 and Henry W. Mahncke2

1 School of Aging Studies, University of South Florida, Tampa
2 Posit Science Corporation, San Francisco, California

Address correspondence to Jerri D. Edwards, PhD, School of Aging Studies, University of South Florida, 4202 East Fowler Avenue, MHC 1340, Tampa, FL 33620. Email: jedwards1{at}bcs.usf.edu


  Abstract

Background: As our population ages, interventions that can prolong safe driving for older adults will be increasingly important.

Methods: Data from two studies were combined in order to investigate the effectiveness of cognitive training in delaying driving cessation. Stratified Cox hazard regressions were used to examine risk of driving cessation as a function of training participation, baseline driving, and visual acuity.

Results: Older drivers with cognitive speed of processing difficulties who completed speed of processing training were 40% less likely to cease driving over the subsequent 3 years (hazard ratio = 0.596, 95% confidence interval 0.356–0.995, p = .048). Whereas 14% of older drivers who did not receive speed of processing training ceased driving, only 9% of those who completed eight or more sessions of speed of processing training ceased driving.

Conclusion: Speed of processing training may delay driving cessation among older drivers with speed of processing difficulty.

Keywords Cognitive training; Driving; Intervention

Received: February 10, 2009; Accepted: July 29, 2009

Decision Editor: Luigi Ferrucci, MD, PhD


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