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Life motion signals lengthen perceived temporal duration
Wang, Li; Jiang, Yi; Jiang, Y (reprint author), Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China.
2012-03-13
发表期刊PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
ISSN0027-8424
文章类型Article
卷号109期号:11页码:E673-E677
产权排序1
摘要Point-light biological motions, conveying various different attributes of biological entities, have particular spatiotemporal properties that enable them to be processed with remarkable efficiency in the human visual system. Here we demonstrate that such signals automatically lengthen their perceived temporal duration independent of global configuration and without observers' subjective awareness of their biological nature. By using a duration discrimination paradigm, we showed that an upright biological motion sequence was perceived significantly longer than an inverted but otherwise identical sequence of the same duration. Furthermore, this temporal dilation effect could be extended to spatially scrambled biological motion signals, whose global configurations were completely disrupted, regardless of whether observers were aware of the nature of the stimuli. However, such an effect completely disappeared when critical biological characteristics were removed. Taken together, our findings suggest a special mechanism of time perception tuned to life motion signals and shed new light on the temporal encoding of biological motion.
关键词point-light walker temporal expansion psychometric function
学科领域Perception Psychology
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收录类别SCI
语种英语
项目资助者National Basic Research Program of China [2011CB711000] ; National Key Technology R&D Program of China [2012BAI36B00] ; National Natural Science Foundation of China [31070903] ; Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences [KSCX2-EW-BR-5, Y1CX302005]
项目简介This research was supported by grants from the National Basic Research Program of China (No. 2011CB711000), the National Key Technology R&D Program of China (No. 2012BAI36B00), the National Natural Science Foundation of China (No. 31070903), and the Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences (No. KSCX2-EW-BR-5 and No. Y1CX302005).
WOS记录号WOS:000301426700009
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文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/11885
专题中国科学院心理健康重点实验室
通讯作者Jiang, Y (reprint author), Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China.
作者单位Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China
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Wang, Li,Jiang, Yi,Jiang, Y . Life motion signals lengthen perceived temporal duration[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2012,109(11):E673-E677.
APA Wang, Li,Jiang, Yi,&Jiang, Y .(2012).Life motion signals lengthen perceived temporal duration.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,109(11),E673-E677.
MLA Wang, Li,et al."Life motion signals lengthen perceived temporal duration".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 109.11(2012):E673-E677.
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