Objective:Study the changes of auditory event related potential (ERP), as well as evaluate objectively auditory effect of both ears, when cochlea implant and hearing aid are applied meanwhile.

• 目的探讨人工耳蜗和助听器同时使用者的听觉事件相关电位(ERP)的变化,对人工耳蜗和助听器同时使用所产生的2耳听效果进行客观评价。