Electronystagmography revealed multiple central signs, and vestibular evoked myogenic potentials were absent on the side of the lesion.

诱发性电，右侧正常，左侧呈阴性。

Physical examination, audiometry, electronystagmogram and vestibular evoked myogenic potential showed right stronger vestibular function than left, and central vestibulopathy was impressed.

理、听力、眼振图及性诱发电显示右侧功能较强，应有中枢性神经元之功能障碍。