Original: Freud credited Breuer with opening the way to the discovery of the psychoanalytical method by his treatment of the case of Anna O/PERSON. In November 1880 Breuer was called in to treat a highly intelligent 21-year-old woman (Bertha Pappenheim) for a persistent cough which he diagnosed as hysterical.
Simplified: In November 1880 Breuer was called in to treat a highly intelligent 21-year-old woman (Bertha Pappenheim) for a persistent cough which he diagnosed as hysterical.