Which assessment checks for sensation within the neurologic examination?

The assessment that checks for sensation within the neurologic examination primarily involves testing one modality at the toes. This approach focuses on assessing the ability to perceive stimuli, which is fundamental in evaluating the sensory pathways of the nervous system. By examining sensation in a specific area like the toes, practitioners can determine if there are any deficits in sensory function, which may indicate issues in peripheral nerves or central processing mechanisms.

Assessing one modality, such as light touch, pain, or temperature, at the toes allows for a focused and effective evaluation of sensory function. This is particularly important as it can provide insights into the integrity of the sensory nerves and can help identify conditions such as neuropathy or other neurological disorders.

In contrast, visual acuity relates more to the examination of the optical system rather than sensation. Reflexes, such as knee and ankle, are primarily related to motor responses and do not directly assess sensory function. Lastly, fine motor skills involve coordination and dexterity, which are more related to motor skills than to sensory perception. Thus, evaluating sensation through targeted assessment at the toes is a critical component of a comprehensive neurologic examination.