Any argument that a "soul" exists or that consciousness does not arise from the physical world (eg our neurons) is literally unfalsifiable . It cannot be disproven in the same way you can't disprove the existence of God, and so arguing with people that believe in it is largely pointless.
https://en.wikipedia.org/wiki/Twenty_Cases_Suggestive_of_Rei...
EDIT: Downvote all you want, materialists, but reincarnation is the spanner in the works nobody wants to confront ..