The Self-Referential Processing in Concurrent Task-Irrelevant Affective Background Music: An ERPs Study
首发时间:2013-06-08
Abstract:This study is to investigate the electrophysiological correlation with the psychological processing of self-referential stimulus using a self-relevant word in concurrent task-irrelevant affective background music. The results showed that P300 amplitudes elicited by individual self-referential stimulus were larger than those elicited by collective self-referential stimulus and non-self-referential stimulus. Besides, the individual self-referential stimulus under the collectivistic affective music evoked larger P300 than under individualistic affective music. However, there was on significant P300 differences caused by the collective self-referential stimulus between individualistic affective music and collectivistic affective music. Therefore, the present study, using ERPs measures, extended previous findings by providing evidence supporting the existence of a collective self-referential effect. Moreover, our findings also found that although individual self-referential stimulus was processed better and deeper, it was more susceptible to context. The psychological process varies in different contexts, which shows the instability feature.
keywords: Event-related brain potential Individual self Collective self P300
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情感背景音乐中个体与集体自我效应及其特性研究
摘要:采用事件相关电位技术, 考察在有情境条件下不同层面的自我参照加工的特性及其神经机制。实验发现,在两种音乐情境条件下个体自我参展刺激所激发的P300波幅比集体自我参照刺激和非自我刺激更大,而集体自我参照刺激所激发的P300波幅比非自我刺激更大;两种音乐情境条件下个体自我参照刺激所激发的P300波幅差异显著,而集体自我参照刺激所激发的P300波幅差异不显著。研究结果表明了在不同的情境中,个体自我参照加工的差异较大,表现出不稳定的特征;个体自我参照加工与集体自我参照加工的神经机制是不同的。这些结果还可能表明了相对于集体自我来讲,个体自我是自我的核心层面。
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