an artifact of language' completely misses the point about the central role of language in constructing
what we think 'our world' is composed of. If you research the 'non representalist view of languge' and 'the coherence theory of truth' you will find extensive elaboration of alternatives to naive realism.
words represent nodes of semantic import within communicative communities with mutual needs. Without those needs, and without specification of those communities, words have no 'meaning'. The word 'brain' is used in the community we might loosely call 'neuroscientists', whereas the word 'mind' has philosophical associations with 'self identity' and 'thought', neither of which is isomorphic to specific brain processes despite the efforts of neuroscientists to make them so. Indeed the connotations of 'mind' have as yet only psychological and social significance (as for example in the phrase 'he must be out of his mind'). As for 'soul', this word clearly has a linkage with the celestial culpability aspects one's
mind as a free agent' in some religious communities. Since my 'self identity' is not a function of such a community, the word has no more semantic import for me other than as a cultural curiosity.