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中文摘要：
目的：考察情绪刺激加工是否对返回抑制（IOR）效应产生影响。方法：实验一采用经典的线索靶子范式、实验二采用改良的线索靶子范式和事件相关电位技术,要求被试完成情绪辨别任务。结果：实验1发现IOR与情绪效价交互作用不显著;且实验一和实验二都发现,有效线索相比于无效线索在N1上波幅更大,在N170上波幅更小。结论：返回抑制效应没有受到外显情绪加工的影响,表现为返回抑制效应与情绪效应的分离。
英文摘要：
Objective： Two experiments was conducted to investigate whether emotional stimulus process influenced the Inhibition of Return（IOR）. Methods： Adopting a classic cue-target paradigm（experiment 1） and a modified cue-target paradigm（experiment 2） combined with Event-Related Potentials（ERPs）, participants were asked to finish the emotional discrimination task. Results： In experiment 1, there was no significant interaction between IOR and emotion valence. However, comparing with the invalid cues condition, in the cued condition it showed larger amplitude occurring on N1, and a smaller one on N 170 in both experiments. Conclusion： The effect of IOR may not be influenced by explicitly emotional process, relecting that IOR is separated from emotional process.
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