Sigmund Freud divided this psychoanalytical theory into unconscious, preconscious and conscious areas and later revised the terminology to include id, ego and superego, partly conscious, partly preconscious and partly unconscious respectively.
Cite this page: N., Pam M.S., "PSYCHIC APPARATUS," in PsychologyDictionary.org, April 28, 2013, https://psychologydictionary.org/psychic-apparatus/ (accessed March 8, 2020).
