They are either confusing, hurtful, or socially forbidden. Therefore, our preconsciousness scans all our available memories and selects what are suitable for our current self-conscious perception.
Sensory filters accept or reject perceptions in terms of their potential stress or anxiety.
On the other hand, censors accept or reject cultural experiences in terms of pain or pleasure as noted below. Sensory Filters . Our limbic brain has certain neural filtering devices that are genetically programmed to delete redundant or painful sensory perceptions. Our perceived reality therefore passes through a series of filters, leaving only enough information to satisfy our needs and insure our survival. Our filters are innately designed to sort and classify sensory percepts in terms of existing memories.