Cognitive impairment is defined as decline in at least one of the following areas: short-term memory, attention, orientation, judgment and problem-solving skills, and visual-spatial skills. Changes in any of these areas could affect a person's ability to drive any motor vehicle, including cars, golf carts, and lawn mowers. About 4% of current drivers over 75 years old have dementia (multiple cognitive deficits including memory impairment). The April 28, 2010, issue of JAMA includes an article about older drivers with cognitive impairment.
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