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情绪对两可图认知加工影响的ERP研究
Alternative TitleEvent-related potential study of emotion on cognitive processing of ambiguous figure
林瑾1,2; 何胜昔3; 尹文刚1,2
First Author林瑾
2016
Source Publication中国医学物理学杂志
Correspondent Emailyinwg@psych.ac.cn
ISSN1005-202X
Subtype期刊论文
Volume33Issue:8Pages:855-860
Contribution Rank1
Abstract

目的:采用事件相关电位(ERP)技术探讨情绪对两可图认知加工的影响。方法:通过成功-失败操纵(SFM)诱发情绪,考察两可图观察任务的脑电活动变化。结果:①刺激产生的ERPs各成分(N140、N200、P300、N400)明显。②负性情绪组N140、N200潜伏期显著延迟,波幅显著减小。③负性和中性情绪组P300波幅显著大于正性情绪组。④负性情绪组N400潜伏期显著长于中性情绪组,负性和中性情绪组波幅均显著大于正性情绪组。结论:① N140和N200可能反映两可图物理刺激的感知;P300和N400则可能反映两可图的命名及含义转换。② N140和N200潜伏期显著延迟,波幅显著减小,说明负性情绪可能导致被试脑活动呈现抑制状态,活动水平降低。③ P300和N400波幅显著增大,可能是受高趋近动机影响,被试对任务投入更多心理资源,故负性情绪反而提高了激活水平。

Other Abstract

Objective To discuss on the impact of different emotions on ambiguous figure processing by using event-related potential(ERP) technology. Methods The success-failure manipulation was used to induce different emotions. The changes of brain electric activity affected by the ambiguous figure processing were observed. Results The ERPs components(N140,N200, P300, N400) produced by stimuli were significant. The latency of N140, N200 in negative emotion group was significantly delayed, and the amplitude significantly decreased. The amplitude of P300 in negative and neutral emotion groups was significantly larger than that in positive emotion group. The latency of N400 in negative emotion group was significantly longer than that in neutral emotion group, and the amplitude in negative and neutral emotion groups was significantly greater than that in positive emotion group. Conclusion In the ambiguous cognition processing, N140 and N200 may reflect the perception of ambiguous physical stimuli, while P300 and N400 may reflect the process of ambiguous figure naming and the conversion of meaning. The latency of N140, N200 in negative emotion state is significantly delayed,and the amplitude significantly reduces, which indicates that the negative emotion may induce the state of suppression and lower level of brain activity. The amplitudes of P300 and N400 are significantly greater, which may be due to high approach motivational effects of the task. Participants invest more psychological resource in the task, and the negative emotion increases the activation level.

Keyword成功-失败操纵 情绪 两可图 认知加工 事件相关电位
Subject Area情绪心理学
URL查看原文
Indexed ByCSCD
Language中文
Funding Organization深圳市福田区教育局教育科研项目(FTJY15012)
CSCD IDCSCD:5777643
Citation statistics
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/21084
Collection健康与遗传心理学研究室
Corresponding Author尹文刚
Affiliation1.中国科学院心理研究所
2.中国科学院大学
3.深圳市计生中心
First Author AffilicationInstitute of Psychology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Psychology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
林瑾,何胜昔,尹文刚. 情绪对两可图认知加工影响的ERP研究[J]. 中国医学物理学杂志,2016,33(8):855-860.
APA 林瑾,何胜昔,&尹文刚.(2016).情绪对两可图认知加工影响的ERP研究.中国医学物理学杂志,33(8),855-860.
MLA 林瑾,et al."情绪对两可图认知加工影响的ERP研究".中国医学物理学杂志 33.8(2016):855-860.
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