In investigating the intelligence impairment in the epileptic group, there was no significant difference between the results of WAIS-RC and P300 tests, but it was better to use x+2.0/ 2.5SD as P3PL upper normal limits.

• 对该组病人的智能测验，电生理与心理学两种方法的测试结果，无显著性差异，但P3PL正常上限以X＋2SD/2.；5SD为宜。