Objective: To obtain normal value of medianus nerve somatosensory evoked potential (MN - SEP) and posterior tibial nerve somatosensory evoked potential ( PIN - SEP) in child.

• 目的:测量正常儿童正中神经体感诱发电位(MN-SEP)及胫后神经体感诱发电位(PIN-SEP),探讨儿童SEP正常值。