File:Ehrenstein only.png
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Ehrenstein_only.png (245 × 246 pixels, file size: 7 KB, MIME type: image/png)
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DescriptionEhrenstein only.png | Ehrenstein Figure, developed by German psychologist Walter Ehrenstein in 1941, provides the foundation for the illusions that follow. Adding a circle (bottom) destroys the illusion of a bright central disk. | ||||||||
Date | |||||||||
Source | Modification of Image:Ehrenstein figure.svg | ||||||||
Author | Robert P. O'Shea | ||||||||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:31, 9 November 2007 | 245 × 246 (7 KB) | Robert P. O'Shea (talk | contribs) | {{Information |Description=Ehrenstein Figure, developed by German psychologist Walter Ehrenstein in 1941, provides the foundation for the illusions that follow. Adding a circle (bottom) destroys the illusion of a bright central disk. |Source=Modification |
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