Freud developed a theory of personality called Psychoanalysis.
Freud stated that the Self
growth occurs in Stages.
|The Id represented motivation or the Pleasure Principle.
|The Ego represented the Personality traits of the Self.
wrote about Fixation, where one's growth does not change past a certain
|For more on Freud's theories of the Id, Ego, and Superego, please consult your favorite internet search engine.