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Dissociable Modulation of Overt Visual Attention in Valence and Arousal Revealed by Topology of Scan Path
Ni, Jianguang1,4; Jiang, Huihui1,4; Jin, Yixiang4,5; Chen, Nanhui1; Wang, Jianhong1; Wang, Zhengbo1; Luo, Yuejia6; Ma, Yuanye1,2,3; Hu, Xintian1,2,3; Ni, JG (reprint author), Chinese Acad Sci, Kunming Inst Zool, Kunming, Yunnan, Peoples R China.
2011-04-06
发表期刊PLOS ONE
ISSN1932-6203
文章类型Article
卷号6期号:4页码:e18262
产权排序5
摘要Emotional stimuli have evolutionary significance for the survival of organisms; therefore, they are attention-grabbing and are processed preferentially. The neural underpinnings of two principle emotional dimensions in affective space, valence (degree of pleasantness) and arousal (intensity of evoked emotion), have been shown to be dissociable in the olfactory, gustatory and memory systems. However, the separable roles of valence and arousal in scene perception are poorly understood. In this study, we asked how these two emotional dimensions modulate overt visual attention. Twenty-two healthy volunteers freely viewed images from the International Affective Picture System (IAPS) that were graded for affective levels of valence and arousal (high, medium, and low). Subjects' heads were immobilized and eye movements were recorded by camera to track overt shifts of visual attention. Algebraic graph-based approaches were introduced to model scan paths as weighted undirected path graphs, generating global topology metrics that characterize the algebraic connectivity of scan paths. Our data suggest that human subjects show different scanning patterns to stimuli with different affective ratings. Valence salient stimuli (with neutral arousal) elicited faster and larger shifts of attention, while arousal salient stimuli (with neutral valence) elicited local scanning, dense attention allocation and deep processing. Furthermore, our model revealed that the modulatory effect of valence was linearly related to the valence level, whereas the relation between the modulatory effect and the level of arousal was nonlinear. Hence, visual attention seems to be modulated by mechanisms that are separate for valence and arousal.
学科领域Cognitive Psychology
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收录类别SCI
语种英语
项目资助者National Science Foundation of China (NSFC) [30530270, 30670669, 31070965, 30870825, 31070963, 30921064, 30770700, 30930031] ; 973 program [2007CB947703, S2010071114, 2011CB711001] ; Major State Basic Research of China [NO2003CB716600] ; CASC [KSCX1-YW-R-33, KSCX2-EW-J-23, KSCX2-EW-R-11, KSCX2-YW-R-261] ; Yunnan Development and Reform Commission [2009-1988] ; West Light Foundation of the Chinese Academy of Sciences [292008312D11035]
项目简介This study was supported by the National Science Foundation of China (NSFC 30530270, 30670669, 31070965, 30870825, 31070963, 30921064, 30770700 and 30930031), 973 program (2007CB947703, S2010071114 and 2011CB711001), the Major State Basic Research of China (NO2003CB716600), Program of CASC (KSCX1-YW-R-33, KSCX2-EW-J-23, KSCX2-EW-R-11 and KSCX2-YW-R-261), Yunnan Development and Reform Commission No. 2009-1988 and West Light Foundation of the Chinese Academy of Sciences (292008312D11035). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
WOS记录号WOS:000289192400010
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被引频次:6[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/311026/11469
专题中国科学院心理健康重点实验室
通讯作者Ni, JG (reprint author), Chinese Acad Sci, Kunming Inst Zool, Kunming, Yunnan, Peoples R China.
作者单位1.Chinese Acad Sci, Kunming Inst Zool, Kunming, Yunnan, Peoples R China
2.Chinese Acad Sci, Inst Psychol, State Key Lab Brain & Cognit Sci, Beijing 100101, Peoples R China
3.Chinese Acad Sci, Inst Biophys, Beijing 100080, Peoples R China
4.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
5.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China
6.Beijing Normal Univ, State Key Lab Cognit Neurosci & Learning, Beijing 100875, Peoples R China
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Ni, Jianguang,Jiang, Huihui,Jin, Yixiang,et al. Dissociable Modulation of Overt Visual Attention in Valence and Arousal Revealed by Topology of Scan Path[J]. PLOS ONE,2011,6(4):e18262.
APA Ni, Jianguang.,Jiang, Huihui.,Jin, Yixiang.,Chen, Nanhui.,Wang, Jianhong.,...&Ni, JG .(2011).Dissociable Modulation of Overt Visual Attention in Valence and Arousal Revealed by Topology of Scan Path.PLOS ONE,6(4),e18262.
MLA Ni, Jianguang,et al."Dissociable Modulation of Overt Visual Attention in Valence and Arousal Revealed by Topology of Scan Path".PLOS ONE 6.4(2011):e18262.
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