DEFENSE MECHANISM By N., Pam M.S. - April 7, 2013 Classical psychoanalytical theory. The unconscious reaction the ego uses to protect itself from anxiety arising from psychic conflict. Also called escape mechanism. See avoidance- projection- regression- substitution. DEFENSE MECHANISM: "Our defence mechanism can be mature or immature." Related Psychology Terms PROJECTION SIGNAL ANXIETY AVOIDANCE-AVOIDANCE CONFLICT PROJECTIVE IDENTIFICATION 1 REACTION FORMATION PARANOID-SCHIZOID POSITION PRIMITIVE DEFENSE MECHANISM NEUROTIC ANXIETY FLIGHT FROM REALITY DOUBLE-AGENTRY Cite this page: N., Pam M.S., "DEFENSE MECHANISM," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/defense-mechanism/ (accessed February 18, 2019).