Freud believed there was a large psychoanalysis part of the mind. This belief led to a study of preconscious, conscious and unconscious.
According to him, the unconscious mind is the primary source of human behavior.
Psychoanalysis can simply be defined asa system of psychological theory and therapy which aims to treat mental disorders by investigating the interaction of conscious and unconscious elements in the mind and bringing repressed fears and conflicts into the conscious mind
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