A test of the brain using electrical stimulation to look at reactions of body sensations relating to the body's superficial and deep parts as contrasted to specialized senses such as sight. Responses to these tests are used in evaluations of neurological diseases.

study of nerves to assess their functional state

A painless, diagnostic test that records electrical changes in the brain in response to repeated electrical shocks applied to a peripheral nerve. - This test is useful in the diagnosis of MS because it can confirm the presence of a suspected lesion, which was not shown by a MRI scan, or identify the existence of an unsuspected lesion that has not produced any symptoms.