Anna O, whose real name was Bertha Pappenheim, was the patient of physician Josef Breuer whom she was seeing to treat her for hysteria. Even though Freud never actually treated her, he developed great interest in her case and she was included in Freud and Breuer’s joint collaboration “Studies on Hysteria.” It was through Anna O.’s case that “talk therapy” became a popular phenomenon in psychoanalysis after Breuer suggested free association to her. As Breuer states, Anna O. found considerable relief in telling stories and she herself called these sessions “talking cure” or “chimney sweeping.” Freud used Anna O.’s case as evidence to his proposal that hysteria was the result of painful buries memories. However, Freud also strongly believed that Anna O. had developed strong feelings for Dr. Breuer and criticized the doctor for ignoring the fact that an incident of transference had taken place.