I understand that you may disagree but I would say that consciousness is of the mind which does not necessarily have anything to do with the physical brain and may be more associated with a form that we have not yet identified as human beings.
I have come to suspect that our true essence is beyond anything that humanity has labeled at this point.
And I like the idea of existentialism over spiritualism because it gives credence to here and now as we find ourselves.
I believe our existence is what we are seeking to claim and what our creator is seeking to give us at this time.
Thank you for another stimulating article.