The post-pandemic surge in adult ADHD presentations has intensified a question that categorical diagnosis tends to foreclose: What do autism, ADHD, and PTSD share at the level of developmental organization? This paper offers a conceptual analysis of sensory processing differences as a transdiagnostic mechanism linking these three conditions, examined through a neuropsychoanalytic lens. Drawing on current empirical literature and the French psychosomatic tradition, we explore how the sensory…
