For if consciousness is based on language, then it follows that it is of much more recent origin than has been heretofore supposed. Consciousness com… - Julian Jaynes

Conscious mind is a spatial analog of the world and mental acts are analogs of bodily acts. Consciousness operates only on objectively observable things. Or, to say it another way with echoes of John Locke, there is nothing in consciousness that is not an analog of something that was in behavior first.

Such trade was not, however, a true market. There were no prices under the pressures of supply and demand, no buying and selling, and no money. It was trade in the sense of equivalences established by divine decree. There is a complete lack of reference to business profits or loss in any of the cuneiform tablets that have been so far translated.

This breakdown in the bicameral mind in what is called the Intermediate Period is reminiscent at least of those periodic breakdowns of Mayan civilizations when all authority suddenly collapsed, and the population melted back into tribal living in the jungles.