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The feet have it: Local biological motion cues trigger reflexive attentional orienting in the brain
Wang, Li1; Yang, Xiaoying1,2; Shi, Jinfu1,2; Jiang, Yi1
2014
发表期刊NEUROIMAGE
ISSN1053-8119
文章类型Article
卷号84页码:217-224
摘要Most vertebrates, humans included, have a primitive visual system extremely sensitive to the motion of biological entities. Most previous studies have examined the global aspects of biological motion perception, but local motion processing has received much less attention. Here we provide direct psychophysical and electrophysiological evidence that human observers are intrinsically tuned to the characteristics of local biological motion cues independent of global configuration. Using a modified central cueing paradigm, we show that observers involuntarily orient their attention towards the walking direction of feet motion sequences, which triggers an early directing attention negativity (EDAN) in the occipito-parietal region 100-160 ms after the stimulus onset. Notably, such effects are sensitive to the orientation of the local cues and are independent of whether the observers are aware of the biological nature of the motion. Our findings unambiguously demonstrate the automatic processing of local biological motion without explicit recognition. More importantly, with the discovery that local biological motion signals modulate attention, we highlight the functional importance of such processing in the brain. (C) 2013 Elsevier Inc. All rights reserved.
关键词Reflexive attention Biological motion Local ERP
收录类别SCI
语种英语
WOS记录号WOS:000328868600020
引用统计
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/14182
专题脑与认知科学国家重点实验室
作者单位1.Chinese Acad Sci, Inst Psychol, State Key Lab Brain & Cognit Sci, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Wang, Li,Yang, Xiaoying,Shi, Jinfu,et al. The feet have it: Local biological motion cues trigger reflexive attentional orienting in the brain[J]. NEUROIMAGE,2014,84:217-224.
APA Wang, Li,Yang, Xiaoying,Shi, Jinfu,&Jiang, Yi.(2014).The feet have it: Local biological motion cues trigger reflexive attentional orienting in the brain.NEUROIMAGE,84,217-224.
MLA Wang, Li,et al."The feet have it: Local biological motion cues trigger reflexive attentional orienting in the brain".NEUROIMAGE 84(2014):217-224.
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