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Darkness Like A Cancer Grows

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I absolutely love optical illusions. I altered this image (the original is not my own) to create one myself; it works best when viewed on a large screen. As you move your eyes around the image--center, edges, and in-between--the dark areas will seem to gently expand. Don't focus too hard on details, or try too hard; just relax, look around the image, and sometimes focus on one area for a little longer.

 

Optical illusions are fascinating, because they expose the truth about how our brain perceives the world around us. We do not simply see and interpret "what's there" in front of us, but rather, our brain is interpreting and processing what our eyes are taking in. The human brain is amazing, and most of the time it pieces together an an accurate, intelligible picture of our surroundings, but for some reasons, which are still fairly obscure to vision scientists, some situations trick our mind into seeing something that isn't really there, such as colors, movement, and ambiguous shapes. This is because of how our brains are hard-wired to to make sense of what we see. For example, just because you know something is an optical illusion, and know what is going to happen, you can't just tell your brain to stop seeing the illusion; it's how your brain works.

In a way, we see with our mind. Our mind's eye is amazing, and is one more reason to marvel at the human organism.

 

"Whilst part of what we perceive comes through our senses from the object before us, another part (and it may be the larger part) always comes out of our own mind." --William James

 

"I just got you to look incredibly silly while you stared intensely at your computer screen or cell-phone." --Daniel Kessel

 

All images © 2017 Daniel Kessel.

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Uploaded on March 30, 2017
Taken on March 30, 2017