Acknowledgment: Poindron, P.; Theoretical Considerations on Animal Models: Poindron, P.; Callizot, N.; Piguet, P.; Mouse Models with Motor Neuron Defects as a Tool for Deciphering Amyotrophic Lateral Sclerosis. Applications, Limits and Future Challenges: Echaniz-Laguna, A.; Fricker, B.; Fergani, A.; Loeffler, J.-P.; Rene, F.; A Chronic Relapsing Animal Model for Multiple Sclerosis. Myelin Oligodendrocyte Glycoprotein Induced Experimental Autoimmune Encephalomyelitis in Dark Agouti Rats: Kinter, J.; Zeis, T.; Schaeren-Wiemers, N.; Occlusion of the Middle Cerebral Artery in Rats. Refinement of an Animal Model for Human Stroke: Cam, E.; Kilic, E.; Yulug, B.; Ritz, M.-F.; Pyridoxine-Induced Peripheral Neuropathy. Animal Models and Uses: Callizot, N.; Poindron, P.; A Dopamine-Sensitive Inherited Motor Syndrome Linked to the frissonnant Mutation: Callizot, N.; Guenet, J.-L.; Poindron, P.; Author Index; Subject Index.