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Asymmetric hemisphere activation in tenderness: evidence from EEG signals
Zhao, Guozhen1,2; Zhang, Yulin1,2; Ge, Yan1,2; Zheng, Yan1,2; Sun, Xianghong1,2; Zhang, Kan1,2
第一作者Guozhen Zhao
2018-05-23
发表期刊SCIENTIFIC REPORTS
通讯作者邮箱gey@psych.ac.cn
ISSN2045-2322
卷号8页码:9
摘要

Emotions are processed asymmetrically by the human brain. Frontal alpha asymmetry (FAA) as measured by electroencephalographic (EEG) power in the alpha band (8-13 Hz), is a sensitive indicator of asymmetric brain activity in the frontal cortex. The current study aimed to analyze the frontal EEG asymmetries in terms of valence and motivational direction. We presented 37 participants with three film excerpts that were selected from the standard emotional film database to elicit three target emotions: tenderness, anger, and neutrality. Participants' self-reports on their induced emotional responses and EEG signals were recorded and analyzed. The results showed that individuals displayed lower alpha power in the left hemisphere than the right hemisphere when they were watching a tender film, indicating that tenderness was positive and related to approach motivation. In contrast, when watching an angry movie, participants showed higher alpha power in the left hemisphere than the right hemisphere, suggesting that anger was negative and associated with withdrawal motivation. These findings help to link positive and approach-motivated tenderness with greater left hemispheric activation and state-anger with greater right hemispheric activation through the analysis of FAA.

DOI10.1038/s41598-018-26133-w
语种英语
项目资助者National Natural Science Foundation of China
资助项目National Natural Science Foundation of China[31771226] ; National Natural Science Foundation of China[U1736220]
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000432789300007
出版者NATURE PUBLISHING GROUP
关键词[WOS]Frontal Cortical Activity ; Alpha-asymmetry ; Motivational Direction ; Affective Neuroscience ; Individual-differences ; Empathic Concern ; Brain Activity ; Basic Emotion ; Anger ; Stimuli
引用统计
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/26491
专题中国科学院行为科学重点实验室
通讯作者Ge, Yan
作者单位1.Inst Psychol, CAS Key Lab Behav Sci, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Dept Psychol, Beijing, Peoples R China
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GB/T 7714
Zhao, Guozhen,Zhang, Yulin,Ge, Yan,et al. Asymmetric hemisphere activation in tenderness: evidence from EEG signals[J]. SCIENTIFIC REPORTS,2018,8:9.
APA Zhao, Guozhen,Zhang, Yulin,Ge, Yan,Zheng, Yan,Sun, Xianghong,&Zhang, Kan.(2018).Asymmetric hemisphere activation in tenderness: evidence from EEG signals.SCIENTIFIC REPORTS,8,9.
MLA Zhao, Guozhen,et al."Asymmetric hemisphere activation in tenderness: evidence from EEG signals".SCIENTIFIC REPORTS 8(2018):9.
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