增加和结合ERP和fMRI响应以获得积极的社会评价反:一项EEG-fMRI研究
Antje Peters1,2,3, Kim Weiss4, Hanne Helming4
1Institute for Medical Psychology and Systems Neuroscience, University of Münster, Von-Esmarch Straße 52, 48149 Münster, Germany antje.peters@uni-muenster.de.
概括
这项研究揭示了大脑如何处理社会反,发现与自我看法不匹配的反会激活额头区域. 优于预期的反涉及奖励和自我观点的整合领域.
科学领域:
- 神经科学是一个神经科学.
- 社会心理学 社会心理学
- 认知科学 认知科学
背景情况:
- 社会评价反显著影响自我认知,行为和幸福感.
- 了解与自我看法相关的处理反的神经基础对于社会认知研究至关重要.
研究的目的:
- 调查关于自我观点一致性的社会反处理的神经机制.
- 探索大脑对反的反应,比一个人的自我看法更好,更一致或更糟糕.
主要方法:
- 在54名参与者的联合事件相关潜力 (ERP) 和功能磁共振成像 (fMRI) 中.
- 参与者获得了与他们自我观点评分相关的反.
- 分析的重点是大脑激活和EEG组件,如晚期积极潜力 (LPP).
主要成果:
- 与一致反相比,更好和更差的反 (不一致) 增加了双边上部前部区域的激活.
- 与较差的反相比,更好的反显示了中部前额叶皮质 (mPFC),腹状条纹体和前皮质 (Pc) 的更大激活.
- 脑电图的LPP组件在不一致的反中更大,在更好的反中显示出更大的振幅,而不是更糟糕的反,与纹状和状区域的fMRI发现相关.
结论:
- 特定的前部激活与检测反不一致性有关.
- 在前,后和条纹区域的价值依赖激活反映了奖励处理和偏差反集成.
- 对更好的反的神经反应涉及评估主观积极性和将反整合到自我中.
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