1. A Short History of Neuroscience -- 2. Structure of a Neuron -- 3. Nerve Membranes -- 4. The Hodgkin-Huxley (H-H) Axon -- 5. Leading-Edge Models -- 6. Recovery Models -- 7. Myelinated Nerves -- 8. Ephaptic Interactions Among Axons -- 9. Neural Modeling -- 10. Constructive Brain Theories -- 11. Neuronal Assemblies -- 12. The Hierarchical Nature of Brain Dynamics -- App. A. Conservation Laws and Conservative Systems -- App. B. Hodgkin-Huxley Dynamics -- App. C. Fredholm's Theorem -- App. D. Stability of Axonal Impulses -- App. E. Perturbation Theory for the F-N Impulse -- App. F. Perturbation Analyses of Ephaptic Interactions