Final answer:
The Romberg test is performed to assess balance by having the patient stand with their feet together and eyes closed. It helps evaluate proprioception deficits in the dorsal column pathway and proprioceptive projections to the cerebellum.
Step-by-step explanation:
The Romberg test is used to assess balance and is performed by having the patient stand with their feet together and eyes closed. The patient must rely on proprioceptive stimuli from joint and muscle position, as well as information from the inner ear, to maintain balance without visual feedback. This test can indicate deficits in proprioception in the dorsal column pathway and proprioceptive projections to the cerebellum.