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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
发表期刊PLOS ONE
ISSN1932-6203
文章类型Article
卷号7期号:6页码:e40106
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摘要Much 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.
学科领域Perception Psychology
收录类别SCI
语种英语
项目资助者Natural Science Foundation of China [31070905] ; U.S. National Science Foundation [BCS-0818588]
项目简介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记录号WOS:000305892100204
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文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/12890
专题中国科学院心理健康重点实验室
通讯作者Wang, L (reprint author), Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China.
作者单位1.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
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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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