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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
Source PublicationPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
ISSN0027-8424
SubtypeArticle
Volume109Issue:11Pages:E673-E677
Contribution Rank1
AbstractPoint-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.
Keywordpoint-light walker temporal expansion psychometric function
Subject AreaPerception Psychology
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Indexed BySCI
Language英语
Funding OrganizationNational 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]
Project Intro.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 IDWOS:000301426700009
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Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/11885
Collection中国科学院心理健康重点实验室
Corresponding AuthorJiang, Y (reprint author), Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China.
AffiliationChinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China
First Author AffilicationKey Laboratory of Mental Health, CAS
Recommended Citation
GB/T 7714
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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