Final answer:
Freud's psychoanalytic theory emphasized the unconscious mind and its influence on behavior. It laid the groundwork for many neo-Freudian theories and remains influential in many areas of psychology, despite criticisms from post-structuralist and feminist perspectives.
Step-by-step explanation:
The psychoanalytic theory, developed by Sigmund Freud, has made significant contributions to psychology despite mixed reception and variable support from modern research. Central to Freud's legacy is the recognition of the unconscious mind's role in shaping behavior.
Post-structuralist critiques argue that the universal structures of the mind proposed by Freud can't be substantiated. Yet, Freud's psychoanalysis has inspired various neo-Freudian theories, which expand upon or deviate from his original ideas. These include the works of Adler, Erikson, Jung, and Horney, who have discussed concepts such as inferiority complex, collective unconscious, and they have offered alternative views on personality development.