Lab technician, nurse, doctor. No changes necessary. No changes necessary. Remove all jewelry and metal objects before the test. Needle electrodes cause mild, temporary pain when inserted.
Discomfort disappears when the test is finished.
Auditory, visual or touch stimuli. If visual evoked potentials are measured, electrodes are attached to your scalp. Electrodes will not hurt you. Try to relax because tension can affect neurologic function and interfere with test results. Follow instructions of the examiner during the test.