Searching for life motion signals: Visual search asymmetry in local but not global biological motion processing

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	Searching for life motion signals: Visual search asymmetry in local but not global biological motion processing
	Wang L.; Zhang K.; He S.; Jiang Y.; Jiang Y(蒋毅)
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 biologicalmotion 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
学科领域	认知心理学
	2010
语种	英语
发表期刊	PSYCHOLOGICAL SCIENCE
ISSN	0956-7976
卷号	21 期号:8 页码:1083-1089
收录类别	SSCI
资助项目	二室蒋毅课题组
文献类型	期刊论文
条目标识符	https://ir.psych.ac.cn/handle/311026/7299
专题	中国科学院心理研究所回溯数据库(1956-2010)
通讯作者	Jiang Y(蒋毅)
推荐引用方式 GB/T 7714	Wang L.,Zhang K.,He S.,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 L.,Zhang K.,He S.,Jiang Y.,&蒋毅.(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 L.,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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