Before revision: Nevertheless, "it remains to be investigated how this desirable 'splitting of the ego' and 'self-observation' are to be differentiated from the pathological cleavage ... directed at preserving isolations"
After revision: .Nevertheless, "it remains to be investigated how this desirable 'splitting of the ego' and 'self-observation' are to be differentiated from the pathological cleavage ... directed at preserving isolations"