When bicamerality as a method of social control was no longer adaptive in complex civilizations, this mental model was replaced by the conscious mode of thought which, Jaynes argued, is grounded in the acquisition of metaphorical language learned by exposure to narrative practice.
Når tokammersystemet som en metode for social kontrol var ikke længere adaptiv i komplekse civilisationer, var denne mentale model erstattet af den bevidste tænkning, som Jaynes fremførte, er funderet i erhvervelsen af metaforiske sprog, lært via udsættelse til narrative øvelse.