List seven common defense mechanisms and briefly explain each one.

Repression- Anxiety is reduces by banishing provoking thoughts (that could reemerge dreams.
Regression- Anxiety is reduced by moving back to a previous psycho-sexual stage.
Denial- Anxiety is reduced by refusing to admit that something unpleasant has happened.
Reaction Formation- Anxiety is reduced by making unacceptable impulses look like opposites.
Projection- Anxiety is reduced by attributing threatening impulses to others.
Rationalization- Anxiety is reduced by self-explaining things in a way that hides that behavior's actual reason.
Displacement- Anxiety is reduced by diverting aggressive feelings to an unacceptable object.