Research has been done that shows the popular pet theory among amateur consciousness scientists, that consciousness is emergent of the brain, holds no water, see https://dn721502.ca.archive.org/0/items/davidickehumanracege...
Would you mind developing a bit to help us find out if that long reference is relevant or not?
That's literally just one theory: "these other theories are wrong".
Get back to us when loads of actual scientists agree.