Tests & Procedures
Evoked Potentials
What it is
Evoked potentials are tests that measure how quickly your nerves carry signals to your brain in response to what you see, hear, or feel. Small sensors are placed on the scalp while you look at a screen, listen to sounds, or receive light pulses on the skin. Slower signals can be a sign of nerve damage.
Why it matters for you
These tests can pick up nerve problems that are too subtle to notice on their own. They are painless and sometimes help fill in the picture when diagnosis is uncertain.
Questions to ask your doctor
- What type of MS do I have, and how confident are you in the diagnosis?
- Would a second opinion be reasonable? Can you recommend one?
- What is my likely prognosis over the next 5 to 10 years?
- Is MS going to shorten my life?
- What is my risk of eventually needing a wheelchair or mobility aid?
Find MS treatment centers near you
MS care is specialized — the center you choose shapes access to DMTs, infusions, and clinical trials. Pick your state to see centers in your area.
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Reviewed by the MS Buddy editorial team · Last updated April 16, 2026
Not medical advice. Always consult your care team.
Not medical advice. Always consult your care team.