A defence mechanism is a coping technique that reduces anxiety arising from unacceptable or potentially harmful impulses.
Is an unconscious mechanism employed by he ego to keep disturbing or threatening thoughts from becoming conscious.
Is a strategy whereby one covers up, consciously or unconsciously, weaknesses, frustrations, desires.
Involves blocking external events from awareness. If some situation is too much to handle, the pearson refuses to experience it.
Is the redirection of an impulse (usually aggression) onto a powerless substitute target. The target can be a person or an object that can serve as a symbolic substitute.