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Views:7982
ID
Language English
Title Delboeuf illusion, overestimation of the inner circle
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Description A circle appears to be larger than it is when it is surrounded by a slightly larger circle.
It is said that this illusion was presented by Delboeuf (1892), though I (Akiyoshi Kitaoka) failed to confirm it in the reference. Lipps (1897) examined this illusion. Luckiesh showed this illusion.
This image was drawn by Akiyoshi Kitaoka in 2008.
Date Apr 29, 2008
Last Modified Date Apr 29, 2008 18:27:24
Created Date Apr 29, 2008 18:26:39
Contributor Akiyoshi Kitaoka (akitaoka)
Item Type Stimulus
Change Log(History)
Apr 29, 2008 Modified; Rights.
Stimulus type Picture
Developer
Akiyoshi Kitaoka
Preview
Stimulus file Delboeuf01mL.jpg
Type : image/jpeg Download
Size : 255.2 KB
Last updated : Apr 29, 2008
Downloads : 178

Total downloads since Apr 29, 2008 : 178
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Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 2.5 License.
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