Cognitive function Changes in cognitive function with aging that may affect driving include Declines in aspects of cognition that impact working and / or semantic memory Slowed speed of processing Decreased basic and complex attention skills (eg, sustained and divided attention) Decreased executive function (eg, trip planning, working memory) Decreased visual processing and perceptual skills Medical conditions (including use of drugs needed to treat them) that can impact cognitive function include Psychologic factors (eg, anxiety, depression) Neurologic disorders (eg, stroke, Parkinson disease, mild cognitive impairment, Alzheimer disease and related dementias, traumatic brain injury, multiple sclerosis) Sleep disorders Cardiac disorders Diabetes The incidence of cognitive impairment increases in people ≥ 65.