Defense mechanism serve as an important function of keeping the human personality integrated, bring out these dense mechanism including the psychological process with illustrations.

           

Defense Mechanism	Psychological process	Illustration
Rationalization	Justifying inconsistent or undesirable behavior, beliefs etc. by providing acceptable explanation for them.	Padding the expense account “because everybody does it”
Regression	Individual returns to an earlier a less mature level of adjustment in the face of frustration.	A manager shouting at his subordinate.
Aggression i.e. emotional transference	Re-directing pent-up emotions towards persons or the objects unconnected with the source of frustration.	Roughly rejecting a request from a subordinate after receiving a rebuff from the boss.
Fantasy	Daydreaming or other forms of imaginative activity provide an escape from the reality and imagined satisfaction.	Employee daydreams of the day in the staff meeting when he corrects the boss and is publicly acknowledged as the real brain of the company.
Negativism	Active or passive resistance operating unconsciously.	A manager saying that the recommendations of a committee are not implemental because he could not become a member of the committee.
Resignation, flight or withdrawal	Leaving the field where anxiety or conflict is experienced.	A student who could not pass an examination quitting the course.