Chapter 1: Why study Drug Resistant Epilepsy? -- Chapter 2: Pharmacoresistance in Epilepsy -- Chapter 3: Experimental models for the study of drug-resistant epilepsy -- Chapter 4: On Complexity and Emergence: Linking the Hypotheses of Pharmacoresistance in Epilepsy -- Chapter 5: Role of High-Frequency Oscillation Networks in Managing Pharmacoresistant Epilepsy -- Chapter 6: Transporter hypothesis in pharmacoresistant epilepsies. Is it at the central or peripheral level? -- Chapter 7: Changes in Targets as an Explanation for Drug Resistance in Epilepsy -- Chapter 8: Cellular and molecular mechanisms of neuroinflammation in drug-resistant epilepsy -- Chapter 9: Contribution of the antiepileptic drug administration regime to avoid the development and/or establishment of pharmacoresistant epilepsy -- Chapter 10: Pharmacogenetics in Epilepsy and Refractory Epilepsy -- Chapter 11: Seizures Induce Hypoxia or Hypoxia Induces Seizures. A Perverse Relationship that Increases the Risk of SUDEP -- Chapter 12: Neonatal excitotoxicity triggers degenerative processes related to seizure susceptibility and pharmacoresistance -- Chapter 13: Cerebrovascular remodeling and the role of vascular endothelial growth factor in the epileptic brain and pharmacoresistance -- Chapter 14: The Role of JNK3 in Epilepsy and Neurodegeneration -- Chapter 15: Application of proteomics in the study of molecular markers in epilepsy -- Chapter 16: GABAergic neurotransmission abnormalities in pharmacoresistant epilepsy: experimental and human studies -- Chapter 17: Genes involved in pharmacoresistant epilepsy -- Chapter 18: Drug-resistant Epilepsy and the Influence of Age, Gender and Comorbid Disorders -- Chapter 19: Indications for Intracerebral Recording in Candidates for Epilepsy Surgery -- Chapter 20: On the Development of New Drugs for the Treatment of Drug Resistant Epilepsy: An Update on Different Approaches to Different Hypotheses -- Chapter 21: Physical exercise as a strategy to reduce seizure susceptibility -- Chapter 22: Ketogenic Diet and Drug-resistant Epilepsy -- Chapter 23: Modulating P-glycoprotein Regulation as a Therapeutic Strategy for Pharmacoresistant Epilepsy -- Chapter 24: Vagus Nerve Stimulation for Intractable Seizures -- Chapter 25: Non Invasive Brain Stimulation as a potential Therapeutic Procedure in drug-resistant epilepsy -- Chapter 26: Effects of transcranial focal electrical stimulation via concentric ring electrodes on seizure activity.