Article ID Journal Published Year Pages File Type
3449377 Archives of Physical Medicine and Rehabilitation 2009 7 Pages PDF
Abstract

Crotty M, George S. Retraining visual processing skills to improve driving ability after stroke.ObjectiveTo evaluate the effectiveness of retraining using the Dynavision on driving performance of people with stroke.DesignRandomized controlled trial.SettingOutpatient rehabilitation clinic in Australia.ParticipantsPeople with stroke (N=26) referred for driving assessment.InterventionsEligible participants were randomized to either receive retraining with the Dynavision apparatus for 18 sessions or to receive no intervention and go onto a waitlist.Main Outcome MeasuresThe primary outcome was an assessment of on-road ability. Secondary outcomes included measures of response speed, visual scanning, and self-efficacy. All assessments were conducted by assessors blinded to group assignment.ResultsNo significant difference (P=.223) was found between the intervention and control groups in results of on-road assessment in terms of pass or fail; the primary outcome measure; or the results on the secondary outcome measures of response speed, visual scanning, and self-efficacy.ConclusionsIn this small trial, training underlying skills (such as executing a continuous wide scan, combining motor and visual processing into a motor response) using the Dynavision apparatus did not improve the outcomes of an on-road assessment for people after strokes. Larger trials are needed to evaluate devices that claim to retrain underlying skills related to driving.

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