From the Pain Matrix to Functional Networks: A Narrative Review of Chronic Pain Mechanisms Across Adult and Pediatric Populations with Emerging AI Perspectives. - Cascella, Marco; Siano, Daniela; D'Amora, Mauro; Cecchetti, Corrado; Vittori, Alessandro; Romano, Maria; Santoriello, Vittorio (Brain Sciences (2076-3425), 2026)