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Foremost among these approaches was psychoanalysis, which originated in the work of Viennese neurologist Sigmund Freud. Having studied under French neurologist Jean-Martin Charcot, Freud originally used well-known techniques of hypnosis to treat patients suffering from what was then called hysterical paralysis and other neurotic syndromes. Freud and his colleague Josef Breuer observed that their patients tended to relive earlier life experiences that could be associated with the symptomatic expression of their illnesses. When these memories and the emotions associated with them were brought to consciousness during the hypnotic state, the patients showed improvement. Observing that most of his patients proved able to talk about such memories without being under hypnosis, Freud developed a means of access to the unconscious based on the technique of free association—the production by the patients, aloud and without suppression or self-censorship of any kind, of the thoughts and feelings about whatever was uppermost in their minds. From this beginning Freud gradually developed what became known as psychoanalysis. Other features of the new procedure included the study of dreams, the interpretation of “resistances” on the part of the patient, and the handling of the patient’s “transference” (the patient’s feelings toward the analyst that reflect previously experienced feelings toward parents and other important figures in the patient’s early life). Freud’s work, though complex and controversial in many of its aspects, laid the basis for modern psychotherapy in its use of free association and its emphasis on unconscious and irrational mental processes as causative factors in mental illness. This emphasis on purely psychological factors as a basis for both causation and treatment was to become the cornerstone of most subsequent psychotherapies. For a fuller discussion of resistance and transference, see below Psychoanalytic psychotherapy.
Variations of the original psychoanalytic technique were introduced by several of Freud’s colleagues who parted company with him. Analytic psychology, devised by Carl Jung, placed less emphasis on free association and more on the interpretation of dreams and fantasies. Special importance was given to the collective unconscious, a reservoir of shared unconscious wisdom and ancestral experience that entered consciousness only in symbolic form to influence thought and behavior. Jungian analysts sought clues to their patients’ problems in the archetypal nature of myths, stories, and dreams. Individual psychology, devised by Alfred Adler, emphasized the importance of the individual’s drive toward power and of the individual’s unconscious feelings of inferiority. The therapist was concerned with the patient’s compensations for inferiority as well as with the patient’s social relationships.
Development of physical and pharmacological treatments
During the early decades of the 20th century, the principal approaches to the treatment of mental disorders were psychoanalytically derived psychotherapies, used to treat people with neuroses, and custodial care in mental hospitals, for those with psychoses. But, beginning in the 1930s, these methods began to be supplemented by physical approaches using drugs, electroconvulsive therapy, and surgery. The first successful physical treatment in psychiatry was the induction of malaria in patients with a fatal form of neurosyphilis called general paresis. The malarial treatment stemmed from the observation that some psychotic patients improved during febrile illnesses. In 1933 Polish psychiatrist Manfred Sakel reported that psychotic symptoms of patients with schizophrenia were improved by repeated insulin-induced comas. (Neither of these treatments is in use today.) The treatment of symptoms of schizophrenia by convulsions, originally induced by the injection of camphor, was reported in 1935 by psychiatrist Ladislaus Joseph von Meduna in Budapest. An improvement in this approach was the induction of convulsions by the passage of an electrical current through the brain, a technique introduced by Italian psychiatrists Ugo Cerletti and Lucio Bini in 1938. Electroconvulsive treatment was more successful in alleviating states of severe depression than in treating symptoms of schizophrenia. Psychosurgery, or surgery performed to treat mental illness, was introduced by Portuguese neurologist António Egas Moniz in the 1930s. The procedure Moniz originated—leucotomy, or lobotomy—was widely performed during the next two decades in the treatment of patients with schizophrenia, intractable depression, and severe obsessional states. The procedure was later abandoned, however, largely because its therapeutic effects could be better obtained by the use of newly developed medications.
The decades after World War II were marked by the first safe and effective applications of medications in the treatment of mental disorders. Prior to the 1950s, sedative compounds such as bromides and barbiturates had been used to quiet or sedate patients, but these drugs were general in their effect and did not target specific symptoms of mood disturbances or psychotic disorders. Many of the medications that subsequently proved effective in treating such conditions were recognized serendipitously—i.e., when researchers administered them to patients just to see what would happen or when they were administered to treat one medical condition and were instead found to be helpful in alleviating the symptoms of a mental disorder.
The first effective pharmacological treatment of psychosis was the treatment of mania with lithium, introduced by Australian psychiatrist J.F.J. Cade in 1949. Lithium, however, generated little interest until its dramatic effectiveness in the maintenance treatment of bipolar disorder was reported in the mid-1960s. Chlorpromazine, the first of a long series of highly successful antipsychotic drugs, was synthesized in France in 1950 during work on antihistamines. It was used in anesthesia before its antipsychotic and tranquilizing effects were reported in France in 1952. The first tricyclic (so called because of its three-ringed chemical structure) antidepressant drug, imipramine, was originally designed as an antipsychotic drug and was investigated by Swiss psychiatrist Roland Kuhn. He found it ineffective in treating symptoms of schizophrenia but observed its antidepressant effect, which he reported in 1957. A drug used in the treatment of tuberculosis, iproniazid, was found to be effective as an antidepressant in the mid-1950s. It was the first monoamine oxidase inhibitor to be used in psychiatry. The first modern anxiety-relieving drug was meprobamate, which was originally introduced as a muscle relaxant. It was soon overtaken by the pharmacologically rather similar but clinically more effective chlordiazepoxide, which was synthesized in 1957 and marketed as Librium in 1960. This drug was the first of the extensively used benzodiazepines. These and other drugs had a revolutionary impact not only on psychiatry’s ability to relieve the symptoms and suffering of people with a wide range of mental disorders but also on the institutional care of the mentally ill.