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Perceptual Grouping without Awareness: Superiority of Kanizsa Triangle in Breaking Interocular Suppression
Wang, Lan1,2,4; Weng, Xuchu1,3; He, Sheng3,4; Wang, L (reprint author), Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China.
2012-06-29
Source PublicationPLOS ONE
ISSN1932-6203
SubtypeArticle
Volume7Issue:6Pages:e40106
Contribution Rank1
AbstractMuch information could be processed unconsciously. However, there is no direct evidence on whether perceptual grouping could occur without awareness. To answer this question, we investigated whether a Kanizsa triangle (an example of perceptual grouping) is processed differently from stimuli with the same local components but are ungrouped or weakly grouped. Specifically, using a suppression time paradigm we tested whether a Kanizsa triangle would emerge from interocular continuous flash suppression sooner than control stimuli. Results show a significant advantage of the Kanizsa triangle: the Kanizsa triangle emerged from suppression noise significantly faster than the control stimulus with the local Pacmen randomly rotated (t(9) = -2.78, p = 0.02); and also faster than the control stimulus with all Pacmen rotated 180 degrees (t(11) = -3.20, p<0.01). Additional results demonstrated that the advantage of the grouped Kanizsa triangle could not be accounted for by the faster detection speed at the conscious level for the Kanizsa figures on a dynamic noise background. Our results indicate that certain properties supporting perceptual grouping could be processed in the absence of awareness.
Subject AreaPerception Psychology
Indexed BySCI
Language英语
Funding OrganizationNatural Science Foundation of China [31070905] ; U.S. National Science Foundation [BCS-0818588]
Project Intro.This research was supported by grants from the Natural Science Foundation of China (31070905) (http://www.nsfc.gov.cn/Portal0/default124.htm) and U.S. National Science Foundation (BCS-0818588) (http://www.nsf.gov/index.jsp). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
WOS IDWOS:000305892100204
Citation statistics
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/12890
Collection中国科学院心理健康重点实验室
Corresponding AuthorWang, L (reprint author), Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
3.Hangzhou Normal Univ, Ctr Cognit & Brain Disorders, Hangzhou, Zhejiang, Peoples R China
4.Univ Minnesota, Dept Psychol, Minneapolis, MN 55455 USA
Recommended Citation
GB/T 7714
Wang, Lan,Weng, Xuchu,He, Sheng,et al. Perceptual Grouping without Awareness: Superiority of Kanizsa Triangle in Breaking Interocular Suppression[J]. PLOS ONE,2012,7(6):e40106.
APA Wang, Lan,Weng, Xuchu,He, Sheng,&Wang, L .(2012).Perceptual Grouping without Awareness: Superiority of Kanizsa Triangle in Breaking Interocular Suppression.PLOS ONE,7(6),e40106.
MLA Wang, Lan,et al."Perceptual Grouping without Awareness: Superiority of Kanizsa Triangle in Breaking Interocular Suppression".PLOS ONE 7.6(2012):e40106.
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