情绪的ERP相关成分与心境障碍的ERP变化
Emotion-Related ERP Components and Their Variety in Mood Disorder
查看参考文献33篇
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文摘
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ERP技术是研究情绪问题的有力手段.实验对象包括正常被试以及心境障碍的病人.可从视觉或/和听觉通道给予情绪刺激材料,观测N2、P3和N400等成分的变化.研究发现,情绪可增强被试对情绪事件的注意强度,尤其是新异的情绪内容较易得到识别.在正常被试中,情绪词相较中性词能引起较大的新旧效应,抑郁症患者的新旧效应与正常人有所不同,但其再认成绩也能被情绪内容提高.在研究情绪对决策行为的影响时,观测到内侧额叶负波(MFN).ERP研究表明,情绪活动也存在大脑功能偏侧化问题. |
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其他语种文摘
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ERP technique helps much in researches of emotion. Normal people and patients with mode disorders can be recruited as subjects in these studies. Experimenters give stimuli through visual and/or auditory modality, then observe the varieties of components, such as N2, P3 and N400, etc. Studying results suggest that emotion can enhance attention intensity and novel emotional stimuli can be detected more easily. In normal subjects, emotional words can arouse bigger old-new effects than neutral words. Depressive patients can not present the same effects as the normal, but their recognizing achievements can be improved by emotional words. When studying the influence of emotion toward decision-making, researchers observed changes of medial frontal negativity (MFN). Lateralization of brain functions also exists in emotional activities. |
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来源
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心理科学进展
,2004,12(1):10-17 【扩展库】
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关键词
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情绪
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心境障碍
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事件相关电位
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地址
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中国科学院心理研究所, 心理健康重点实验室, 北京, 100101
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1671-3710 |
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学科
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社会科学总论 |
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基金
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中国科学院知识创新工程重要方向项目
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国家教育部高等学校全国优秀博士学位论文作者专项资金
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文献收藏号
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CSCD:1508734
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