Book chapters are authored by participants in the International Meeting on Staging Neuropsychiatric Disorders: Implications for Etiopathogenesis and Treatment, held in Mojácar (Almería) Spain from 14-18 October 2009. Chapters are organized into four sections on themes encompassed by Staging Neuropsychiatric Disorders: Clinical Staging in the Pathophysiology of Psychotic and Affective Disorders, Staging Perspectives in Neurodevelopmental Aspects of Neuropsychiatry, Epigenetics and Biomarkers in the Staging of Neuropsychiatric Disorders, and Staging Neurodegenerative Disorders. This volume should serve as a resource for physicians and neuroscientists alike, highlighting the importance of staging neuropsychiatric disorders and the underlying mechanistic dysfunction, for prevention and treatment strategies at different stages of disease progression. Earlier volumes in the series, published by the Fundación Cerebro y Mente in Madrid, Spain: Depressive, Anxiety and Drug Abuse Disorders Eds: T. Palomo and T. Archer Schizophrenia, Movement Disorders and Age Related Cognitive Disorders Eds.: T. Palomo, T. Archer and R.J. Beninger Dopamine Disease States Eds.: R.J. Beninger, T. Palomo and T. Archer Interactive Monoaminergic Disorders Eds.: T. Palomo, R.J. Beninger and T. Archer Neurodegenerative Brain Disorders Eds.: T. Palomo, R.J. Beninger and T. Archer Neurodevelopmental Liabilities in Brain Disease States Eds.: R.J. Beninger, T. Palomo, R.M. Kostrzewa and T. Archer Gene-Environment Interplay in Brain Disease States Eds.: T. Palomo, R.J. Beninger, R.M. Kostrzewa and T. Archer Implications of CoMorbidity for Etiology and Treatment of Neuropsychiatric Disorders Eds.: T. Palomo, R.J. Beninger, R.M. Kostrzewa and T. Archer Beyond Neuropsychiatric Diagnostics: Symptoms not Disorders Eds.: T. Palomo, R.J. Beninger, R.M. Kostrzewa and T. Archer