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Neural correlates underlying humans' differential sensitivity to emotionally negative stimuli of varying valences: an ERP study
Yuan Jiajin; Li Hong; Chen Antao; Luo Yuejia; H. Li; Y. J. Luo
2007
Source PublicationPROGRESS IN NATURAL SCIENCE
ISSN1002-0071
SubtypeArticle
Volume17Pages:115-121
AbstractThe present study aims to investigate the neural correlates underlying humans' sensitivity to valence differences in negative stimuli. Event-related potentials (ERPs) for highly negative (HN), moderately negative (MN), and Neutral pictures were recorded while subjects perform a standard/deviant categorization task, irrespective of the emotional valence of the deviants. The results show more negative ERP deflections during HN condition than during MN condition at each 50 ms interval from 350 to 650 ms after stimulus onset (at P3 and slow negative wave (SNW) components). Moreover, emotional effect was also observed for MN stimuli at P3 component (350-450 ms interval). Dipole analyses on the HN-MN difference wave during 350-450 ms interval (P3 component) and that during 450-650 ms interval (SNW component) were both localized to the right medial temporal lobe. Thus, the present study confirmed the human sensitivity to valence variations in emotionally negative stimuli, and further showed that the right medial temporal lobe, in particular, the right hippocampus/amygdala complex, may be the critical neural substrates underlying humans' differential sensitivity to emotionally negative stimuli of varying valences.; The present study aims to investigate the neural correlates underlying humans' sensitivity to valence differences in negative stimuli. Event-related potentials (ERPs) for highly negative (HN), moderately negative (MN), and Neutral pictures were recorded while subjects perform a standard/deviant categorization task, irrespective of the emotional valence of the deviants. The results show more negative ERP deflections during HN condition than during MN condition at each 50 ms interval from 350 to 650 ms after stimulus onset (at P3 and slow negative wave (SNW) components). Moreover, emotional effect was also observed for MN stimuli at P3 component (350-450 ms interval). Dipole analyses on the HN-MN difference wave during 350-450 ms interval (P3 component) and that during 450-650 ms interval (SNW component) were both localized to the right medial temporal lobe. Thus, the present study confirmed the human sensitivity to valence variations in emotionally negative stimuli, and further showed that the right medial temporal lobe, in particular, the right hippocampus/amygdala complex, may be the critical neural substrates underlying humans' differential sensitivity to emotionally negative stimuli of varying valences.
KeywordERP valence variations sensitivity medial temporal lobe emotional negativity bias
Subject Area情绪心理学 ; 认知神经科学
Indexed ByISTP ; SCI ; SSCI
Language英语
WOS IDWOS:000250510000019
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/5571
Collection中国科学院心理研究所回溯数据库(1956-2010)
Corresponding AuthorH. Li; Y. J. Luo
Affiliation1.SW Univ, Minist Educ, Sch Psychol, Key Lab Cognit & Personal, Chongqing 400715, Peoples R China
2.Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China
3.Beijing Normal Univ, State Key Lab Cognit Neurosci & Learning, Beijing 100875, Peoples R China
Recommended Citation
GB/T 7714
Yuan Jiajin,Li Hong,Chen Antao,et al. Neural correlates underlying humans' differential sensitivity to emotionally negative stimuli of varying valences: an ERP study[J]. PROGRESS IN NATURAL SCIENCE,2007,17:115-121.
APA Yuan Jiajin,Li Hong,Chen Antao,Luo Yuejia,H. Li,&Y. J. Luo.(2007).Neural correlates underlying humans' differential sensitivity to emotionally negative stimuli of varying valences: an ERP study.PROGRESS IN NATURAL SCIENCE,17,115-121.
MLA Yuan Jiajin,et al."Neural correlates underlying humans' differential sensitivity to emotionally negative stimuli of varying valences: an ERP study".PROGRESS IN NATURAL SCIENCE 17(2007):115-121.
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