ABSTRACT
One of the most influential theorists in the adult field was Wilfred Bion
(1962), a psychoanalyst who worked alongside Foulkes with soldiers
suffering from ‘military neurosis’ arising out of their experiences in the
Second World War. This phenomenon, which was called ‘shell-shock’ in
the First World War, we would now call post-traumatic stress disorder.
Out of this work, Bion developed theories to explain why some groups
of people do not achieve their goals. He proposed that this happened
