From what little was known about the subject, insincerity itself was regarded as another form of psychosis but one which was exceedingly rare.
I wrote Fearful Symmetry during the Second World War, and hideous as the time was, it provided some parallels with Blake's time which were useful for understanding Blake's attitude to the world. Today, now that reactionary and radical forces alike are once more in the grip of the nihilistic psychosis that Blake described so powerful in Jerusalem, one of the most hopeful signs is the immensely increased sense of the urgency and immediacy of what Blake had to say.Northrop Frye
It is part of the general pattern of misguided policy that our country is now geared to an arms economy which was bred in an artificially induced psychosis of war hysteria and nurtured upon an incessant propaganda of fear. While such an economy may produce a sense of seeming prosperity for the moment, it rests on an illusionary foundation of complete unreliability and renders among our political leaders almost a greater fear of peace than is their fear of war.Douglas MacArthur
Given this mixture of affective and schizophrenic features a modern psychiatric diagnosis for Margery Kempe would most likely be ‘schizoaffective psychosis’, precipitated in the first instance by childbirthmargery kempe