The amplitude of N270 elicited in the conflict condition was enhanced in the repeated test at C3, C4 and P3 electrodes but its latency did not differ from the first test.

重复实验中，冲突状态下诱发的N270的振幅在C3、C4和P3电极部位比第一次实验显著增强，但潜伏期和第一次实验相比没有显著性差异。

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Result: Under the mismatch condition, N270 could be elicited.

结果：在进行数字比较的冲突状态下，均可诱发出N270。

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