when the heroes of the Iliad (and the Old Testament) are reported as having heard the voices of the gods (or God) giving them commands or advice, this is not a figurative expression: they literally heard voices. The voices were speaking their own intuitive thoughts, and arose from their own minds, but were perceived as external,
Compare also to the finding that not all people think linguistically (voices) some peoples thinking is pictorial or emotional or even textual.
Consider the idea of the narcasistic voice whispering, 'You're special!' Does this neural change connect to a social change where unbalanced neural development presents in interpersonal imbalance?

