'Whereas Freud saw consciousness as layered and broadly situated in the brain, Cajal saw it as local and mechanical. He believed that it resided somehow within cells, as if a cell were a kind of chamber containing impressions that produce the self and one’s sense of being alive.'

https://www.nybooks.com/articles/2023/02/09/illuminating-the-brains-utter-darkness-cajal-jorgensen/