ring the 1890s, Freud was associated with another Viennese, Josef Breuer, in studies of neurotic patients under hypnosis. Freud and Breuer observed that, when the sources of patients' ideas and impulses were brought into consciousness during the hypnotic state, the patients showed improvement. Observing that most of his patients talked freely without being under hypnosis, Freud evolved the technique of free association of ideas. The patient was encouraged to say anything that came to mind, without regard to its assumed relevancy or propriety. Noting that patients sometimes had difficulty in making free associations, Freud concluded that certain painful experiences were repressed, or held back from conscious awareness. Freud noted that in the majority of the patients seen during his early practice the events most frequently repressed were concerned with disturbing sexual experiences. Thus he hypothesized that anxiety was a consequence of the repressed energy attached to sexuality; the repressed energy found expression in various symptoms that served as psychological defense mechanisms. Freud and his followers later extended the concept of anxiety to include feelings of fear, guilt, and shame consequent to fantasies of aggression and hostility and to fear of loneliness caused by separation from a person on whom the sufferer is dependent. Freud's free-association technique provided him with a tool for studying the meanings of dreams, slips of the tongue, forgetfulness, and other mistakes and errors in everyday life. From these investigations he was led to a new conception of the structure of personality: the id, ego, and superego. The id is the unconscious reservoir of drives and impulses derived from the genetic background and concerned with the preservation and propagation of life. The ego, according to Freud, operates in conscious and preconscious levels of awareness. It is the portion of the personality concerned with the tasks o...
