eli5: If impossible figures and bi-stable images are impossible to imagine, how did we come up with them in the first place?

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Short while ago, I listened to a podcast about brain training through imagination. The host mentioned impossible figures and bi-stable images (for example the famous faces-vases image) and said the human brain simply can’t imagine the whole pic at once or at the same time if you will. It’s always either the faces or the vase. Same thing goes for impossible figures. After listening to that I thought to myself: how the hell did we come up with these things if we can’t visualize them in our brains?

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2 Answers

Anonymous 0 Comments

You can think about them, you just can’t create a visual picture of them in your mind, technical difference, but an important one.

Anonymous 0 Comments

Understanding a process and visualizing it are completely different. Mathematicians have known for a long while that square root of minus numbers exists and can be used for useful things, even before they could visualize it.

An artist who understands how people resolve lots of elements into a visual wider picture can start by theorizing lots of small elements which are similar individually, yet can be part of different pictures. with proper theory, you can skip the visualization process.

After quite a bit of trial and error, plus some knowledge, you can draw an image with the intended illusion, even if the illusion still works on you. Then you start thinking about what would strengthen it. Trying to think of sub components (like a scarf) which could be reinterpreted as another thing if it was part of the other illusion. More trial and error, then you have the perfected image.