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Views:7476
ID
Language English
Title Delboeuf illusion, underestimation of the inner circle
Free Keywords
Description A circle appears to be smaller than it is when it is surrounded by a much larger circle.
It is said that this illusion was presented by Delboeuf (1892), which I (Akiyoshi Kitaoka) failed to confirm, though. Delboeuf (1865) is also referred, though I failed to obtain the copy.
This image was drawn by Akiyoshi Kitaoka in 2008.
Date Apr 30, 2008
Last Modified Date Feb 15, 2010 18:51:47
Created Date Apr 30, 2008 17:52:38
Contributor Akiyoshi Kitaoka (akitaoka)
Item Type Stimulus
Change Log(History)
Feb 15, 2010 Modified; Readme.
Stimulus type Picture
Developer
Akiyoshi Kitaoka
Preview
Stimulus file Delboeuf02mL.jpg
Type : image/jpeg Download
Size : 177.9 KB
Last updated : Apr 30, 2008
Downloads : 89

Total downloads since Apr 30, 2008 : 89
Readme
Rights
Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 2.5 License
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