Answer:
Perceptual defense
Explanation:
The perceptual defense is a process by which a catalyst alarming offensive and disagreeable are either not perceived or per-verted in perception especially when presented as brief flame. It is a non-recognition threatening stimuli. A stimulus may register outside of the awareness and bring about a change in response
There are two conditions must be there
1) The stimulus must be relevant
2) It must be maintained over time.