Arousal modulates valence effects on both early and late stages of affective picture processing in a passive viewing task

	Arousal modulates valence effects on both early and late stages of affective picture processing in a passive viewing task
	Feng, Chunliang 1,2; Li, Wanqing 2; Tian, Tengxiang 2; Luo, Yi 2; Gu, Ruolei3 ; Zhou, Chenglin 1; Luo, Yue-jia4
摘要	Valence and arousal are primary dimensions of affective stimuli. An interaction of these two factors on affective processing is largely unknown. In this study, the processing of affective pictures was investigated in an orthogonal valence (positive vs. negative) by arousal (high vs. low) task design. Participants were instructed to passively view each presented picture and did not need to make any responses. The valence by arousal interaction was observed on three event-related potential (ERP) components, including the P2 (160-190 ms), N2 (220-320 ms) and late positive potential (LPP) (400-700 ms). This interaction revealed that negative pictures evoked larger neural responses compared with positive pictures (i.e., negative bias) at the high-arousal level, whereas negative pictures evoked smaller neural responses than positive pictures (i.e., positive offset) at the low-arousal level. The current results suggest that the effect of emotional valence on affective picture perception is modulated by levels of arousal at both early and late stages of processing. Finally, the main effect of valence was evident in the P1 component (90-110 ms) and arousal effect in the N1 component (120-150 ms).
关键词	Valence Arousal Event-related potential (ERP) Emotion Positive offset Negative bias
	2014
语种	英语
发表期刊	SOCIAL NEUROSCIENCE
ISSN	1747-0919
卷号	9 期号:4 页码:364-377
期刊论文类型	Article
收录类别	SCI
WOS记录号	WOS:000337600700006
引用统计	被引频次：50[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.psych.ac.cn/handle/311026/13445
专题	中国科学院行为科学重点实验室
作者单位	1.Shanghai Univ Sport, Sch Kinesiol, Shanghai 200438, Peoples R China 2.Beijing Normal Univ, State Key Lab Cognit Neurosci & Learning, Beijing 100875, Peoples R China 3.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China 4.Shenzhen Univ, Inst Affect & Social Neurosci, Shenzhen, Peoples R China
推荐引用方式 GB/T 7714	Feng, Chunliang,Li, Wanqing,Tian, Tengxiang,et al. Arousal modulates valence effects on both early and late stages of affective picture processing in a passive viewing task[J]. SOCIAL NEUROSCIENCE,2014,9(4):364-377.
APA	Feng, Chunliang.,Li, Wanqing.,Tian, Tengxiang.,Luo, Yi.,Gu, Ruolei.,...&Luo, Yue-jia.(2014).Arousal modulates valence effects on both early and late stages of affective picture processing in a passive viewing task.SOCIAL NEUROSCIENCE,9(4),364-377.
MLA	Feng, Chunliang,et al."Arousal modulates valence effects on both early and late stages of affective picture processing in a passive viewing task".SOCIAL NEUROSCIENCE 9.4(2014):364-377.

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