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Purpose

The purpose of evoked potential test aims to evaluate your nervous system through different types of neurophysiological stimulation and diagnose possible lesion position and severity.

• Visual evoked potential utilizes the lighting changes of television screens to stimulate the nerves and record the reactions.
• Brainstem auditory evoked potentials apply sounds to simulate the auditory nerves and brainstem in addition to recording the reactions.
• Somatosensory evoked potential apply weak currents to repeatedly stimulate the peripheral nerves of upper and lower extremities in addition to recording the reactions on the transmission path.

Precautions

• Normal diet before examination and fasting is not required.
• Clean the hair the day before the examination. Do not apply hair oil or hairspray.
• Patients of myopia will need to wear glasses.
• Please arrive on time. Those who could not show up will need to contact with examination office prior to the examination date for additional scheduling.