Conclusion P50 AEP might be affected by temporal lobe dysfunction and could be used for differentiating frontal and temporal seizure foci.

• 刺激频率稍加快时，患者组P50的波幅比率明显减小。结论P50波的潜伏期和波幅反应异常与颞叶功能障碍密切相关，可帮助临床鉴别额、颞叶癫痫灶；