Searching for Life Motion Signals: Visual Search Asymmetry in Local but Not Global Biological-Motion Processing
Wang, Li1,2; Zhang, Kan1; He, Sheng3; Jiang, Yi1
2010-08-01
发表期刊PSYCHOLOGICAL SCIENCE
ISSN0956-7976
文章类型Article
卷号21期号:8页码:1083-1089
摘要The visual search paradigm has been widely used to study the mechanisms underlying visual attention, and search asymmetry provides a source of insight into preattentive visual features. In the current study, we tested visual search with biological-motion stimuli that were spatially scrambled or that represented feet only and found that observers were more efficient in searching for an upright target among inverted distractors than in searching for an inverted target among upright distractors. This suggests that local biological-motion signals can act as a basic preattentive feature for the human visual system. The search asymmetry disappeared when the global configuration in biological motion was kept intact, which indicates that the attentional effects arising from biological features (e. g., local motion signals) and global novelty (e. g., inverted human figure) can interact and modulate visual search. Our findings provide strong evidence that local biological motion can be processed independently of global configuration and shed new light on the mechanisms of visual search asymmetry.
关键词visual search biological motion local global attention
收录类别SSCI
语种英语
WOS记录号WOS:000285454200008
引用统计
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/13758
专题中国科学院心理研究所回溯数据库(1956-2010)
作者单位1.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100101, Peoples R China
3.Univ Minnesota, Dept Psychol, Minneapolis, MN 55455 USA
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GB/T 7714
Wang, Li,Zhang, Kan,He, Sheng,et al. Searching for Life Motion Signals: Visual Search Asymmetry in Local but Not Global Biological-Motion Processing[J]. PSYCHOLOGICAL SCIENCE,2010,21(8):1083-1089.
APA Wang, Li,Zhang, Kan,He, Sheng,&Jiang, Yi.(2010).Searching for Life Motion Signals: Visual Search Asymmetry in Local but Not Global Biological-Motion Processing.PSYCHOLOGICAL SCIENCE,21(8),1083-1089.
MLA Wang, Li,et al."Searching for Life Motion Signals: Visual Search Asymmetry in Local but Not Global Biological-Motion Processing".PSYCHOLOGICAL SCIENCE 21.8(2010):1083-1089.
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