Grade IV is the point on the Bridge where the focus markedly shifts from removing disability to rehabilitating ability. it takes up a new kind of barrier not due to something that happened to the individual, nor the result of a harmful action he did. Rather, Grade IV takes up aberration which results from the individual's effort to solve a problem relating to survival. Based on an aberrated computation, this aberration hinders the individual through fixed ideas and prevents him or her from doing new things. The style of auditing is surprisingly deft and effortless, but powerful beyond any auditing up to this point on the Bridge. The final result of Grade IV has the being moving out of fixed conditions and into the ability to do new things.