After World War One, Freud spent less time in clinical observation and concentrated on the application of his theories to history, art, literature and anthropology. In , he published 'The Ego and the
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After World War One, Freud spent less time in clinical observation and concentrated on the application of his theories to history, art, literature and anthropology. In , he published 'The Ego and the Id', which suggested a new structural model of the mind, divided into the 'id', the 'ego' and the 'superego'.