Primitive Defense Mechanisms 1. Denial. Denial is the refusal to accept reality or fact, acting as if a painful event, thought or feeling did not exist. It is considered one of the most primitive of the defense mechanisms because it is characteristic of early childhood development.
Psychological projection is a theory in psychology in which humans defend themselves against their own unconscious impulses or qualities by denying their existence in themselves while attributing them to others. For example, a person who is habitually intolerant may constantly accuse other people of being intolerant. It incorporates blame shifting. According to some research, the projection of one's unconscious qualities onto others is a common process in everyday life.
A rationalization is performed, constructing a seemingly good or logical reason, as an attempt to justify the act after the fact (for oneself or others). Rationalization encourages irrational or unacceptable behavior, motives, or feelings and often involves ad hoc hypothesizing.
Reaction formation is a kind of psychological defense mechanism in which a person perceives their true feelings or desires to be socially or, in some cases, legally unacceptable, and so they attempt to convince themselves or others that the opposite is true--often in a very exaggerated performance.
Regression (German: Regression), according to psychoanalyst Sigmund Freud, is a defense mechanism leading to the temporary or long-term reversion of the ego to an earlier stage of development rather than handling unacceptable impulses in a more adaptive way.
In psychology, sublimation is a mature type of defense mechanism, in which socially unacceptable impulses or idealizations are unconsciously transformed into socially acceptable actions or behavior, possibly resulting in a long-term conversion of the initial impulse.