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情绪刺激转换对注意转换代价影响的ERP研究
Alternative TitleEffects of Switching between Neutral and Emotional Stimuli: an ERP Study on “Switch Cost”
石慧; 赵仑; 罗跃嘉; 彭淼; 金魁和
2005
Source Publication航天医学与医学工程
ISSN1002-0837
Volume18Issue:3Pages:227-229
Abstract目的:用事件相关脑电位(ERPs)来研究情绪刺激转换对SwitchCost的影响特点。方法:被试者为14名(7男7女)右利手健康大学生。情绪刺激包括表情卡通面孔和中性卡通面孔。采用Garavan的计数双任务范式,要求被试者对刺激序列中表情面孔和中性面孔分别进行计数。记录64导脑电。结果:1)刺激转换与非转换条件下主要区别表现在N2波幅增大及P3波幅下降; 2)情绪刺激转换的ERP与无刺激转换的ERP相减所得到的差异波产生了明显的Nd370,主要分布在顶区; 3)表情面孔转换为中性面孔的Nd370波幅比中性面孔转换为表情面孔的Nd370要小。结论:顶区分布的Nd370可能是情绪刺激转换的特征性指标,为SwitchCost的理论提供了客观依据。
Keyword事件相关电位 注意转换 工作记忆 情绪刺激
Subject Area认知神经科学
Indexed By中文核心期刊要目总览 ASPT来源刊 中国期刊方阵 CJFD收录刊
Language中文
NoteObjective: To investigate if switch cost involved in shifting between neutral and emotional stimuli is reflected by ERPs correlates. Method: The subjects were 14 healthy right-handed college students (7 females, 7 males). Garavan’s (1998) task paradigm which was important in studying inner attention shifting was used. The subjects were asked to watch a stimulus sequence comprising Schematic line drawings of faces with neutral and emotional expressions, and make counts of them (neutral faces or emotional faces...
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/2828
Collection中国科学院心理研究所回溯数据库(1956-2010)
Corresponding Author赵仑
Recommended Citation
GB/T 7714
石慧,赵仑,罗跃嘉,等. 情绪刺激转换对注意转换代价影响的ERP研究[J]. 航天医学与医学工程,2005,18(3):227-229.
APA 石慧,赵仑,罗跃嘉,彭淼,&金魁和.(2005).情绪刺激转换对注意转换代价影响的ERP研究.航天医学与医学工程,18(3),227-229.
MLA 石慧,et al."情绪刺激转换对注意转换代价影响的ERP研究".航天医学与医学工程 18.3(2005):227-229.
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