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

庭诱发肌性电位检，正常，左呈阴性。

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

理检、听力检、眼振庭肌性诱发电位显示庭功能较强，应有中枢性庭神经元之功能障碍。