Hilgard created this concept dependant on previously work with the French Psychiatrist Pierre Janet (1856 1947). Neodissasociation concept proposes a hierarchy of cognitive techniques, each dissociated from each other, but underneath the control of an ‘govt ego’. Hilgard (1991) suggests which the cognitive methods are much like “schema” as described https://goo.gl/maps/5vjUhEDhdeq8xgw98