they navigate through glitches in software and patch them using the untapped power of the subconscious mind to traverse the conjured mindplains since physical programming would take eons to fix, basically mapping out the code in your mind and you have to navigate through a recreation of your life experiences to fix glitches, mostly kept for those that are ready to spontaneously combust, explode or otherwise disappear into the unknown... forever. Not recommended to those with heavy trauma as they will go through a living hell in their dreams.