Neurobiology of Obsessive-Compulsive Disorder provides a comprehensive review of obsessive-compulsive disorder through a neurobiological lens, offering invaluable insights for researchers and clinicians alike. The book begins with a comprehensive introduction to OCD, detailing its definition, historical perspectives, prevalence, and symptomatology, alongside its comorbidities and associated disorders. Delving into the genetic and familial aspects, the book examines genetic predispositions, heritability, and significant genome-wide association studies. In addition, it addresses neuropsychological findings, cognitive dysfunctions, and implications for treatment, alongside neurodevelopmental factors, including early life stress, immune system dysregulation, and environmental risk factors. Special attention is given to PANDAS/PANS as mechanisms of OCD pathogenesis and the insights gained from animal models. Subsequent chapters cover diagnosis, pharmacological treatments, and a range of psychotherapeutic and behavioral interventions, including CBT, ERP, and ACT, as well as neuromodulation techniques. Finally, the book presents neurobiology-informed treatment approaches, personalized medicine, and integrative strategies, concluding with discussions on current challenges, ethical considerations, and future research directions.
