Cognitive and functional impairments that are defined as:
- Severe and/or uncontrollable to a degree that precludes (or may preclude) the safe operation of a motor vehicle.
- An impairment that cannot be corrected by medication, therapy or surgery; or by driving device or technique.
Cognitive ImpairmentsAttention, judgment and problem solving, reaction time, planning and sequencing, impulsivity, visuospatial, memory, lapses of consciousness or control. For example, an attention impairment may affect driving ability in the following manner: inability to switch attention between multiple objects which may endanger pedestrians, bicyclists or other motorists on the roadway.
Functional Impairments
Vision, peripheral sensation of the extremities, strength, flexibility, motor planning and coordination. For example, a strength impairment may affect driving ability in the following manner: inability to maintain a firm grip on the steering wheel, which could compromise the ability to maintain lane position or execute turns.
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