PDD-NOS: Understanding the Evolution of Developmental Care
Historical Context and Nomenclature: The Shift from Atypical Pervasive to PDD-NOS The conceptualization and categorization of developmental disorders characterized by severe and pervasive impairments in multiple areas of functioning have undergone significant revisions within the various editions of the Diagnostic and Statistical Manual of Mental Disorders. Historically, the term Atypical Pervasive Developmental Disorder was employed, […]
Pervasive Developmental Disorders: Understanding the Spectrum
Defining Pervasive Developmental Disorders (PDDs) in Historical Context Pervasive Developmental Disorders, or PDDs, constituted a significant residual diagnostic category within the fourth edition, text revision, of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR). This classification grouped together a spectrum of severe and complex neurodevelopmental conditions characterized by profound impairments in several core areas […]