Just understanding where symptoms come from can be hugely helpful for those with symptoms like auditory hallucinations. If a client hears voices and believes the voices represent demonic forces, they will naturally be very afraid. If a therapist can convince them that the voice actually comes from the malfunctioning speech centre in their own brain and that it cannot hurt them if they ignore it, this is much less frightening and debilitating. This will not eliminate any symptoms but make them easier to cope with. This reduces their distressed improves their ability to function adequately