Simon Morgan Wortham – Realism and psychosis

To what extent is post-Kantian thought in pain? In what ways is such ‘pain’ prolonged in philosophies that seek a radical departure from Kant? For instance, in seeking an exit from the subjective representation of objects (for Lyotard, the source of Kant’s ‘pain’)? Does speculative materialism risk a certain lapse into a psychotic state that—as both Lacan and Kristeva suggest—may be arrested only through the onset of phobia?