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研究以故事情境短文为实验材料,探讨了即时再认与延时48小时后再认条件下虚假记忆变化表现及其与真实记忆电生理活动的差异。结果发现,延迟48小时后虚假记忆诱发的LPC成分比即时再认更正性;即时再认条件下虚假记忆与真实记忆认知加工差异表现在有意回想加工及额叶后提取加工阶段,而延迟48小时后这种差别仅表现在额叶后提取加工阶段。上述结果为虚假记忆存在随时间变化及其与真实记忆相分离提供了电生理证据。
The research takes the story essay as the experimental material and explores the changes of the false memory and the differences between it and the real memory electrophysiological activity after recognition and reconstruction 48 hours after the instant re-recognition and delay. The results showed that the LPC component induced by false memory after 48 hours delay was more positive than the real-time recognition; the difference between the cognitive processing of false memory and real memory under the condition of instant recognition was that the process of processing and frontal lobe extraction were intentionally recalled, while the delay 48 After hours this difference is only reflected in the extraction process after the frontal lobe. The above results provide evidence of electrophysiological changes in the presence of false memory over time and its separation from real memory.