The Austrian neurologist and psychiatrist Sigmund Freud lived between 1856 and 1939. was the founder of the most important school of psychology in recent times: psychoanalysis. He studied medicine in Vienna and specialized in neurology. She also studied with Charcot and Bernheim teachers, doctors specializing in major hypnotic procedures of science. Psychoanalysis is based on the method of free association, which allows you to bring to consciousness repressed psychic contents for the individual and are deposited in the unconscious. The scientists have argued that these negative experiences that cause distress despite being repressed, manifest through the consciousness of phobias, dreams and depression, among other behaviors.
Among the most important works of Freud is Psychopathology of Everyday Life, The Ego and the Id, Dream Interpretation and Introduction to Psychoanalysis, exposed them to psychoanalytic theory, experience with patients and the findings of their research .