Answer:
Regression
Explanation:
The term defense mechanism is being introduced by one of the famous psychologist named Sigmund Freud and he has included ten different types in the defense mechanism.
Regression: Regression is one of the defense mechanisms that lead to the long-term or temporary retrogression of the ego of an individual to the former stage of the development instead of acceptably dealing the impermissible impulses.
Regression can be caused due to frustration, stress, and traumatic event.
