Referred to as ego defence mechanisms, they are be categorized as occurring when the ID impulses are in conflict with each other, when the id impulses conflict with SUPER-EGO values and beliefs, and when an external threat is posed to the ego. The term “defence mechanism” is often thought to refer to a definitive singular term for personality traits which arise due to loss or traumatic experiences, but more accurately refers to several types of reactions which were identified during and after daughter Anna Freud’s time.
Also see DEFENCE MECHANISM.
