The VARNA optical illusion contains a hidden secret that offers a classic test of how you perceive images.
You can see if you are smart enough to see the hidden message hidden in the awesome illusion.
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A static version of Ebbinghaus’ dynamic illusion is a classic test of how we perceive objects in the context of other objects Credit: Christopher D. Blair, Gideon P. Caplovitz, and Ryan EB Mruczek/Illusion of the Year
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A fresh take on the classic illusion offers a mobile version, with a video showcasing Motion Dynamic Ebbinghaus to test your skillsCredit: Christopher D. Blair, Gideon P. Caplovitz and Ryan EB Mruczek/Illusion of the Year
“The Ebbinghaus illusion is a classic example of the influence of the contextual environment on the perceived size of an object,” the researchers wrote in the journal Frontiers for Human Neuroscience.
The static version of the illusion contains two images of multiple circles arranged in a pattern around a central circle.
Due to the way the circles are arranged, the two center circles often appear to be different sizes, even though they are actually the same size.
“In this classic illusion of size contrast, the inner circle is perceived to be larger on the right and smaller on the left,” the researchers explain.
“In fact, both filled circles have the same physical size in the image.”
A moving version of the Ebbinghaus illusion, called The Dynamic Ebbinghaus and published on the Illusion of the Year website, offers a new take on the classic.
In a video posted to the website, a typically static illusion is triggered.
In the first example, the stationary circle in the very center of the six moving circles appears to change in size despite staying the same.
“The central circle, which remains the same size, appears to change in size when surrounded by a series of circles that grow and shrink over time,” researchers Christopher D Blair, Gideon P Caplovitz, and Ryan EB Mruczek wrote.
Another moving screen shown in the video asks you to focus on a yellow dot in the outer circle as the entire image moves across the screen, with circles around the perimeter growing and shrinking.
Focusing on the outer circle instead of the center has a big effect on the perceived size of the middle circle.
“Interestingly, this effect is relatively weak when looking directly at the stationary central circle,” the researchers wrote.
“But if you look away from the central circle or move your eyes, or if the entire stimulus moves across the screen, then the illusionary effect is surprisingly strong, at least twice as strong as the classical static Ebbinghaus illusion.”
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Categories: Optical Illusion
Source: HIS Education