The Wellcome Collection is worth visiting if you're near Kings Cross or Euston stations in London any time. There are many strange medical things. Also completely free.

This may be helpful ("The 3 Parts of Man—Spirit, Soul, and Body") to unravel some of the soul's mystery: https://blog.biblesforeurope.org/the-three-parts-of-man-spir...

Out of curiosity, what did they even mean by ${some aspect of the mind/soul} being "located" in ${some specific body part}?