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

前庭诱发肌性电位查，右正常，左性。

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

理查、查、眼振图及前庭肌性诱发电位显示右前庭功能较强，应有中枢性前庭神经元之功能障碍。