Classification of Endogenous Psychoses and their Differentiated Etiology

Clinical Pictures of Phasic Psychoses (without Cycloid Psychoses).- Manic-Depressive Illness.- Pure Melancholia and Pure Mania.- Pure Depressions and Pure Euphorias.- The Cycloid Psychosis.- Anxiety-Happiness Psychosis.- Excited-Inhibited Confusion Psychosis.- Hyperkinctic-Akinctic Motility Psychosis.- The Unsystematic Schizophrenias.- Affective Paraphrenia.- Cataphasia (Schizophasia).- Periodic Catatonia.- The Systematic Schizophrenias.- Simple Systematic Schizophrenias.- Combined Systematic Schizophrenias.- Comments.- Age of Onset, Sex Incidence, Course.- Statistical Findings from Investigations before 1968.- Statistical Findings from Investigations after 1968.- The Question of Endogenous Mixed Psychosis.- Etiology of Endogenous Psychoses.- Significance of Hereditary Disposition.- Significance of Psychosocial Circumstances.- Exogenous and Constitutional Causes of the Unsystematic Schizophrenias.- Exogenous and Constitutional Causes of Cycloid Psychoses.- Exogenous and Constitutional Causes of Manic.- Illness.- Exogenous and Constitutional Causes of Pure Phasic Psychoses.- Early Childhood Catatonia.- Delineation of Early Childhood Catatonia.- The Question of Organicity Underlying the Clinical Picture.- Diagnosis of Childhood Schizophrenia.- Distribution of Individual Forms of Early Childhood Catatonia ...- Distinguishing Early Childhood Catatonia from Mental Retardation.- Clinical Pictures of Early Childhood Catatonia.- Etiology of Early Childhood Schizophrenia.- Karl Leonhard's Life (1904-1988).- References.