Delboeuf illusion
Wall Art and Photo Gifts from Science Photo Library
Delboeuf illusion
Delboeuf illusion. An illusion created by the Belgian philosopher Franz Joseph Delboeuf. The two red circles on the left have the same diameter, as do the two red circles on the right. However, they appear to differ in diameter within the two pairings. This is a result of the blue circles that are connected to each of them. An effect known as assimilation causes the brain to reduce the perceived distance between neighbouring objects, and hence view the red circles as larger or smaller according to the placement of the blue circles
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6440353
© SCIENCE PHOTO LIBRARY
Ambiguity Ambiguous Circle Circles Concentric Circles Illusory Neuroscience Optical Illusion Panoramic Perception Psychology Trick Trickery Vision Vision Visual Visual Trick
EDITORS COMMENTS
This print captures the intriguing Delboeuf illusion, a mind-boggling optical phenomenon crafted by Belgian philosopher Franz Joseph Delboeuf. At first glance, one might assume that the two pairs of red circles on either side have different diameters. However, this is far from reality as both sets actually possess identical dimensions. The trick lies in the presence of the connected blue circles surrounding each pair. The brain's fascinating ability to assimilate neighboring objects plays a significant role here. Due to an effect known as assimilation, our perception reduces the perceived distance between these concentric circles and alters their apparent size accordingly. As a result, we are left with an ambiguous visual experience where our eyes deceive us into perceiving differences in diameter that do not truly exist. This mesmerizing image delves into the realms of vision, psychology, and neuroscience all at once. It serves as a reminder of how easily our minds can be tricked by illusory visuals and highlights the intricate workings behind such phenomena. With its panoramic view capturing every detail flawlessly, this print from Science Photo Library invites viewers to explore the wonders of perception and indulge in the marvels of optical illusions without any commercial intent or association with any particular company.
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