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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
First AuthorGuozhen Zhao
2018-05-23
Source PublicationSCIENTIFIC REPORTS
Correspondent Emailgey@psych.ac.cn
ISSN2045-2322
Volume8Pages:9
Abstract

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
Language英语
Funding OrganizationNational Natural Science Foundation of China
Funding ProjectNational Natural Science Foundation of China[31771226] ; National Natural Science Foundation of China[U1736220]
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000432789300007
PublisherNATURE PUBLISHING GROUP
WOS KeywordFrontal Cortical Activity ; Alpha-asymmetry ; Motivational Direction ; Affective Neuroscience ; Individual-differences ; Empathic Concern ; Brain Activity ; Basic Emotion ; Anger ; Stimuli
Citation statistics
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/26491
Collection中国科学院行为科学重点实验室
Corresponding AuthorGe, Yan
Affiliation1.Inst Psychol, CAS Key Lab Behav Sci, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Dept Psychol, Beijing, Peoples R China
Recommended Citation
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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