Forgetting is also one of the more important things healthy brains do, almost as important as remembering. Think how quickly the sheer volume and multiplicity of sensory information we receive every waking minute would overwhelm our consciousness if we couldn’t quickly forget a great deal more of it than we remember.
A person who is easily overwhelmed by sounds, touch, movement, or visual stimulation may avoid interactions with
persons or situations that are highly stimulating. In contrast, the person who does not process sensory input unless it is very intense may develop a pattern of thrill seeking, high stimulation, and risky behavior.