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目的:采用事件相关电位技术(ERPs)和语义启动范式,探讨道德厌恶启动后对黑白颜色中性词加工的时间特征及其神经机制。方法:采用双字词启动范式,先呈现启动词(道德厌恶词、非道德厌恶词),然后再呈现目标词(黑颜色中性词、白颜色中性词),要求被试对目标词的字形结构作判断。通过探讨不同组合在脑电指标上的差异来探讨其加工特征。结果:与非道德厌恶刺激相比,道德厌恶启动后黑颜色中性词诱发了更大的N1和N350波幅。结论:与非道德厌恶相比,道德厌恶启动后与道德概念的隐喻相关黑白颜色的目标词获得了更多的认知资源,受到了更精细的加工。道德厌恶启动后个体通过更倾向于隐喻道德纯洁的白色,以缓解和释放厌恶感,保持良好的自我道德意象。
OBJECTIVE: To investigate temporal characteristics and neural mechanisms of neutral word processing in black-and-white color after ethical aversion was started using incident-related potentials (ERPs) and semantic activation paradigms. Methods: Using double words to start the paradigm, presenting the initial words (moral aversive words and non-moral aversive words) and then presenting the target words (black neutral words and white neutral words) Font structure for judgment. Explore the processing characteristics of different combinations of differences in the EEG index. Results: Black color neutrals induced greater amplitude of N1 and N350 after initiation of moral aversion than non-ethnically arousal stimuli. CONCLUSIONS: Compared with the non-ethical aversions, the target words of black and white color related to the moral metaphor of morality have gained more cognitive resources and been more elaborately processed than the moral aversion. When moral disgust starts, the individual maintains a good self-moral image through a tendency toward metaphorical purity of pure white in order to relieve and release the sense of dislike.