Traumatic Experience in the Unconscious Life of Groups

Earl Hopper, in his important, profound and well reasoned book introduces a fourth Basic Assumption (Incohesion) to the three Basic assumptions (of Flight/ Fight, Pairing and Dependency) introduced by Bion. Hopper's theory of Incohesion provides us with a new way of thinking about annihilation anxiety, which he discusses in terms of the unconscious fears of annihilation connected to the fears of separation.' - System Centered News 'What we may learn most from reading Hopper's profound thinking p