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积极情绪的唤醒程度对空间工作记忆的影响
作者:董云英1  周仁来1 2 3 4  高鑫5 
单位:1 儿童发展和学习科学教育部重点实验室(东南大学学习科学研究中心) 南京 210096 
2
 南京大学社会学院心理学系 南京 210023 
3
 认知神经科学与学习国家重点实验室(北京师范大学) 北京 100875 
4
 应用实验心理北京市重点实验室(北京师范大学心理学院) 北京 100875 
5
 西北民族大学现代教育技术学院 兰州 730030 
关键词:积极情绪 唤醒水平 空间工作记忆 任务负荷 ERP 
分类号:R395.1
出版年,卷(期):页码:2014,22(5):761-767
摘要:

目的:探讨积极情绪唤醒水平对不同负荷空间工作记忆的影响。方法:以大学生为被试,以本土化的国际情绪图片(International Affective Picture System,IAPS)来诱发情绪,并采用ERP技术进行修正的延迟样本匹配任务(delayed matching-to-sample,DMS)实验,以分析空间工作记忆在不同程度的积极情绪唤醒条件下的差异。结果:高唤醒积极情绪条件下,延迟阶段慢波波幅降低,匹配阶段早期LPP(Late Positive Potential)升高;而且相对于高负荷,高唤醒积极情绪在低负荷任务中匹配阶段的晚期LPP波幅升高。结论:高唤醒的积极情绪损害了低负荷空间工作记忆,不损害高负荷空间工作记忆,而低唤醒的积极情绪对高、低负荷空间工作记忆没有显著的促进或损害作用。

Objective:The purpose in this study was to explore how spatial working memory is affected by positive emo tional arousal in different load conditions. Methods:Using event-related potential technique, we employed a modified de layed matching-to-sample paradigm with the positive and neutral pictures from the localization of the IAPS in healthy un dergraduates to assess spatial working memory with different degrees of positive emotional arousal. Results:Compared to the high-load spatial working memory task, it showed lower slow wave in the maintaining phase and higher early Late Posi tive Potential(LPP) and late LPP in the matching phase with high positive emotion arousal in the low-load spatial working memory task. Conclusion: Our finding suggest that high positive emotional arousal affects low load spatial working memo ry, but low positive emotional arousal does not significantly affect high load spatial working memory.

基金项目:
国家重点基础研究计划(2011CB711000);国家社科基金重大项目(11&ZD187)资助
作者简介:
参考文献:

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