15 reactions · 6 comments | An evoked potentials test measures the speed of the messages along your sensory nerves to the brain. In this video, we learn more about how the tests work and how they are used to help with the diagnosis of MS. Have you ever had this done? Tell us about your experience in the comments. For more information https://mstrust.org.uk/a-z/evoked-potentials | Multiple Sclerosis Trust | Facebook