Objective To investigate the olfactory origin of the event?related potential (OEP) by evaluating OEP and standardized psychophysical measures in patients with congenital anosmia.

• 目的通过先天性嗅觉缺失患者事件相关嗅觉诱发电位（OEP）及与临床嗅觉功能检查的研究，进一步探讨OEP的起源。