1. Electrophysiological Properties of Intrinsic Cardiac Neurons ; 2. Colocalization of Multiple Neurochemicals in Mammalian Intrathoracic Neurons ; 3. Cardiac Sensory Neurons ; 4. Intrathoracic Neuronal Regulation of Cardiac Function ; 5. Integrative Control of Cardiac Function by Cervical and Thoracic Spinal Neurons ; 6. Central Nervous System Regulation of the Heart ; 7. Forebrain Control of Healthy and Diseased Hearts ; 8. Ontogeny of the Cardiac Nervous System ; 9. Aging and Neural Responses in the Heart ; 10. The Genesis of Pain during Myocardial Ischemia and Infarction ; 11. Neuronal Modulation of Atrial and Ventricular Electrical Properties ; 12. Sympathetic Nervous System in the Evolution of Heart Failure ; 13. The Pathogenesis of Hypertension ; 14. Psychological Aspects of Heart Disease ; 15. Epilogue: Relevance of the Cardiac Neuronal Hierarchy in Heart Disease