I Antecedents, Onset, and Early Course of Schizophrenia.- Birth Cohort Study of the Antecedents of Psychosis: Ontogeny as Witness to Phylogenetic Origins.- Antecedents of Schizophrenia: Moderating Effects of Development and Biological Sex.- Onset and Early Course of Schizophrenia.- Early Predictors of Onset and Course of Schizophrenia: Some Results from the Copenhagen High-Risk Study.- Neurobehavioral Studies of Schizophrenic Children: A Developmental Perspective on Schizophrenic Disorders.- Antecedents, Onset, and Early Course of Schizophrenia: Discussion.- II Schizophrenia: Disease or Syndrome?.- Brain Imaging, Psychopathology and Neuropathology.- Idiopathic and Organic Presentations of Schizophrenia.- Associations Between Regional Brain Abnormalities and Specific Syndromes in Schizophrenia.- Genetic Heterogeneity and Phenotype Variation of Schizophrenia.- Schizophrenia: Disease or Syndrome? Discussion.- III Brain, Receptors and Schizophrenia.- Multiple Dopamine Receptors: Implications for Schizophrenia.- Increased Breakdown of Membrane Phospholipids in Schizophrenia: Implications for the Hypofrontality Hypothesis.- 31P Magnetic Resonance Spectroscopy Study of Brain Metabolism in Schizophrenia.- Positron Emission Tomography, Receptors, and Schizophrenia.- Brain Receptors and Schizophrenia: Discussion.