Poetic madness occupies a singular position in the depth-psychology corpus: it is neither mere pathology nor romantic excess, but a threshold concept through which the tradition negotiates the relationship between divine inspiration, soul-activity, and creative authenticity. The locus classicus is Plato’s Phaedrus, where Socrates distinguishes four forms of divine madness—prophetic, cathartic, erotic, and Muse-given—rehabilitating mania against the Lysian ideal of sober non-attachment. This Platonic architecture is then channeled through Ficino’s Neoplatonism, where Thomas Moore reads poetic madness as a ‘healthy response to a soul filled with discord and dissonance,’ a therapeutic correction of faulty tuning rather than pathological dissolution. Dodds situates the concept historically within Greek shamanic tradition, emphasizing the ‘given’ element in poetic creation that old piety coded as divinely bestowed. Jaynes offers a neurological genealogy, arguing that poetry originates as bicameral divine speech and only gradually becomes the labored mimesis of conscious composition. Nussbaum reads the Phaedrus recantation as Plato’s serious philosophical revision, in which madness proves cognitively indispensable rather than epistemically disqualifying. Across these positions a central tension persists: is poetic madness a gift that dissolves the ego into larger-than-personal forces, or a structured, educable attention to images that the soul alone can properly receive and transmute?