>> it's almost like i don't really remember what happenediness is like. i don't remember what it's like things. >> reporter: what do you want? >> walk around your house, wash your hands, not wear gloves and be acted do 100 things that everyone has taken for granted. >> reporter: jen ferp has been searching for a cure for years. doctors are pionner ooing deep pain stimulation. patients that are enrolled are really the worst of the worst. these are patients who tried everything, and have failed. >> reporter: dr kendall lee performed brain surgeries to address movement disorders for more than a decade. what exactly is deep brain stimulation. >> it is state of the art technologies where they implant electrodes and treat disorders like obsessive compulsive disorder. tour et cetera syndrome. >> reporter: dr lee has seen dramatic results. like the case of minnesota orchestra. he developed a tremor making it impossible to perform. >> we have to, you can only notice the tremor when he played the soil join. >> reporter: dr lee had him play his instrument while he t