the decline of civilisation has been associated, not just with more left-hemisphere ways of thinking, but appropriately with forms of military or economic imperialism, and a consequent overextension of administration, a coarsening of values, and a failure of vitality, vision and integrity.
Increased structure, inflexible order as cause for sociatel decline. Excessive deference to the left hemisphere as deference to systems of tyrannical order or totalitarianism

