@scottmatter Hadn’t read that (also popping it on my ever-expanding list, thank you) but yes, indeed, the human mind extends far beyond the brain. And you’re entirely correct that this is fundamental to design. Not just to the process itself but also in determining the character of the things we create and how those things, in turn, shape our reality.
https://www.wired.co.uk/article/aral-balkan-ethical-design-cyborgs
https://ar.al/2021/12/18/the-three-laws-of-personal-devices/