Sigmund Freud considered himself a scientist whose intention was to find a physiological and materialist basis for his theories of the psyche. Freud revolutionised the way in which we think about ourselves. From its beginnings as a theory of neurosis, Freud founded and developed psychoanalysis into a general psychology, which became widely accepted as the predominant mode of discussing personality, behaviour and interpersonal relationships. Freud, who had been studying neuropathology, left Vienna in 1885 to continue his studies in Paris under ....