Psychoanalytic method of Sigmund Freud .
Jung attached less importance than did Freud to the role of childhood sexual conflicts in the development of neurosis . He defined the unconscious to include both the individual's own unconscious and that inherited, partly in the form of archetypes , from his or her ancestors (the "collective unconscious"). He classified people into {{link=introvert and extrovert">introvert and extrovert types, and further distinguished them according to four primary functions of the mind
thinking, feeling, sensation, and intuition
one or more of which predominated in any given person.