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Frontal EEG Asymmetry and Middle Line Power Difference in Discrete Emotions
Zhao, Guozhen1,2; Zhang, Yulin1,2; Ge, Yan1,2
通讯作者Ge, Yan(gey@psych.ac.cn)
2018-11-01
发表期刊FRONTIERS IN BEHAVIORAL NEUROSCIENCE
ISSN1662-5153
卷号12页码:14
摘要A traditional model of emotion cannot explain the differences in brain activities between two discrete emotions that are similar in the valence-arousal coordinate space. The current study elicited two positive emotions (amusement and tenderness) and two negative emotions (anger and fear) that are similar in both valence and arousal dimensions to examine the differences in brain activities in these emotional states. Frontal electroencephalographic (EEG) asymmetry and midline power in three bands (theta, alpha and beta) were measured when participants watched affective film excerpts. Significant differences were detected between tenderness and amusement on FP1/FP2 theta asymmetry, F3/F4 theta and alpha asymmetry. Significant differences between anger and fear on FP1/FP2 theta asymmetry and F3/F4 alpha asymmetry were also observed. For midline power, midline theta power could distinguish two negative emotions, while midline alpha and beta power could effectively differentiate two positive emotions. Liking and dominance were also related to EEG features. Stepwise multiple linear regression results revealed that frontal alpha and theta asymmetry could predict the subjective feelings of two positive and two negative emotions in different patterns. The binary classification accuracy, which used EEG frontal asymmetry and midline power as features and support vector machine (SVM) as classifiers, was as high as 64.52% for tenderness and amusement and 78.79% for anger and fear. The classification accuracy was improved after adding these features to other features extracted across the scalp. These findings indicate that frontal EEG asymmetry and midline power might have the potential to recognize discrete emotions that are similar in the valence-arousal coordinate space.
关键词frontal EEG asymmetry midline power discrete emotion valence arousal film clip
DOI10.3389/fnbeh.2018.00225
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China ; National Key Research and Development Plan of China
资助项目National Natural Science Foundation of China[31771226] ; National Natural Science Foundation of China[U1736220] ; National Key Research and Development Plan of China[2017YFB0802800]
WOS研究方向Behavioral Sciences ; Neurosciences & Neurology
WOS类目Behavioral Sciences ; Neurosciences
WOS记录号WOS:000448994700001
出版者FRONTIERS MEDIA SA
关键词[WOS]MIDLINE THETA ; APPROACH-MOTIVATION ; INDIVIDUAL-DIFFERENCES ; FACIAL EXPRESSIONS ; POSITIVE EMOTIONS ; BRAIN ACTIVITY ; BASIC EMOTION ; ANGER ; ACTIVATION ; ANXIETY
引用统计
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/27389
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
推荐引用方式
GB/T 7714
Zhao, Guozhen,Zhang, Yulin,Ge, Yan. Frontal EEG Asymmetry and Middle Line Power Difference in Discrete Emotions[J]. FRONTIERS IN BEHAVIORAL NEUROSCIENCE,2018,12:14.
APA Zhao, Guozhen,Zhang, Yulin,&Ge, Yan.(2018).Frontal EEG Asymmetry and Middle Line Power Difference in Discrete Emotions.FRONTIERS IN BEHAVIORAL NEUROSCIENCE,12,14.
MLA Zhao, Guozhen,et al."Frontal EEG Asymmetry and Middle Line Power Difference in Discrete Emotions".FRONTIERS IN BEHAVIORAL NEUROSCIENCE 12(2018):14.
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