Final answer:
Perceptual skills measured by driving tests include praxis (the execution of tasks solely based on verbal instructions), visual acuity checked by the Snellen chart, and peripheral vision boundaries. Double simultaneous stimulation verifies cortical perception, while the Field Sobriety Test (FST) addresses coordination and balance, both crucial for safe driving.
Step-by-step explanation:
Perceptual skills measured by driving tests assess a variety of sensory inputs and motor responses. Such abilities include the understanding and execution of verbal instructions without demonstration, which is known as praxis. Another important perceptual skill assessed is visual acuity, commonly measured by the Snellen chart, which quantifies a person's ability to discern letters of varying sizes from a distance of 20 feet. Additionally, the extent of visual fields is checked to determine the boundaries of peripheral vision.
Other tests include double simultaneous stimulation, which helps detect a lack of perception on one side of the body possibly indicating cortical damage, and the assessment of the cerebellum's role in coordination and balance, relevant for tasks such as driving. The Field Sobriety Test (FST) is an example of a coordination exam derived from neurological tests to assess a driver's level of alcohol influence.