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Evoked potentials (EPs)

August 21, 2017

Recordings of the nervous system’s electrical response to the stimulation of specific sensory pathways (e.g. visual, auditory, general sensory). Demyelination in MS results in a slowing of response time. EPs can demonstrate lesions along nerve pathways whether or not they are producing symptoms. EPs are infrequently used for the diagnosis of MS now that MR scanning is widely available.