The problem with this is that all the evidence suggests that schizophrenia is a relatively modern disease, quite possibly existent only since the eighteenth century or thereabouts, and that its principal psychopathological features have nothing to do with regression towards irrationality, lack of self-awareness, and a retreat into the infantile realm of emotion and the body, but entail the exact opposites: a sort of misplaced hyper-rationalism, a hyper-reflexive self-awareness, and a disengagement from emotion and embodied existence.
