Robust size illusion produced by expanding and contracting flow fields | |
Dong, Xue1,2; Bai, Jianying1; Bao, Min1![]() | |
刊名 | VISION RESEARCH
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2017-04-01 | |
通讯作者邮箱 | baom@psych.ac.cn |
卷号 | 133期号:0页码:87-94 |
关键词 | Size illusion Motion Optic flow Size constancy Depth perception |
ISSN号 | 0042-6989 |
通讯作者 | Bao, Min |
英文摘要 | A new illusion is described. Randomly positioned dots moved radially within an imaginary annular window. The dots' motion periodically changed the direction, leading to an alternating percept of expanding and contracting motion. Strikingly, the apparent size of the enclosed circular region shrank during the dots' expanding phases and dilated during the contracting phases. We quantitatively measured the illusion, and found that the presence of energy at the local kinetic edge could not account for the illusion. Besides, we reproduced the illusion on a natural scene background seen from a first-person point of view that moved forward and backward periodically. Blurring the boundaries of motion areas could not reverse the illusion in all subjects. Taken together, our observed illusion is likely induced by optic flow processing with some components of motion contrast. Expanding or contracting dots may induce the self-motion perception of either approaching or leaving way from the circle. These will make the circle appear smaller or larger since its retinal size remains constant. (C) 2017 Elsevier Ltd. All rights reserved. |
WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
类目[WOS] | Neurosciences ; Ophthalmology |
研究领域[WOS] | Neurosciences & Neurology ; Ophthalmology |
关键词[WOS] | HUMAN VISUAL-CORTEX ; OPTIC FLOW ; INDUCED MOTION ; SELF-MOTION ; PERCEPTION ; AREA |
收录类别 | SCI ; SSCI |
语种 | 英语 |
WOS记录号 | WOS:000399865500009 |
内容类型 | 期刊论文 |
源URL | [http://ir.psych.ac.cn/handle/311026/21648] ![]() |
专题 | 心理研究所_中国科学院行为科学重点实验室 |
作者单位 | 1.Inst Psychol, CAS Key Lab Behav Sci, 16 Lincui Rd, Beijing 100101, Peoples R China 2.Univ Chinese Acad Sci, Dept Psychol, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Dong, Xue,Bai, Jianying,Bao, Min. Robust size illusion produced by expanding and contracting flow fields[J]. VISION RESEARCH,2017,133(0):87-94. |
APA | Dong, Xue,Bai, Jianying,&Bao, Min.(2017).Robust size illusion produced by expanding and contracting flow fields.VISION RESEARCH,133(0),87-94. |
MLA | Dong, Xue,et al."Robust size illusion produced by expanding and contracting flow fields".VISION RESEARCH 133.0(2017):87-94. |
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