Thank you! I read the article in your edit, and the point about symmetry seems unrelated to the rest of the article, and doesn't mention any science. I'll have to research further.
Intuitively it doesn't resonate with me. The environment humans evolved in (the natural world) doesn't have much of anything symmetrical, unless it was built by humans.
I'll see if I can find a better article. I think it's unfair for someone including me to say "go read a book" though the meat of the general theory is there in those books.
The research and science being done is measuring levels of stress relative to shapes and designs of buildings through eye-tracking software. So to really over-simplify, buildings that are asymmetrical or perhaps where the door is hard to find, or in some urban environments there specific features that cause stress and it is measurable.
> The environment humans evolved in (the natural world) doesn't have much of anything symmetrical, unless it was built by humans.
https://annsussman.com
You may find this lecture of interest. I'm sorry I don't have anything shorter to read offhand.
https://www.youtube.com/watch?v=LPjezxPl3FA
-edit- This might get you closer though to the general theory:
https://asla-ncc.org/the-built-environment-impacts-our-healt...