1. Pathology, postmortem studies, neuromelanin<br>2. PD epidemiology and PD economic burden<br>3. Genetic influences and other causes<br>4. Animal models for the study of PD etiology<br>5. New cellular and organoid models for the study of PD<br>6. Lewy bodies, Molecular Interactions of Lewy bodies in the brain<br>7. Synaptophaty in PD; alpha-syn and tau relationship with PD<br>8. Parkinson's disease as a synucleinopathy<br>9. Lysosomal function and protein aggregation in PD<br>10. Autophagy and mitophagy and neuropathological markers of familiar PD<br>11. Mitochondrial dysfunction in PD<br>12. The gut brain axis in PD<br>13. Dopaminergic neurons susceptibility to degeneration / dysfunction of mitochondria, new PD models<br>14. Neuroinflammation and microglia<br>15. Extracellular space modifications and PD<br>16. Dopamine neurotransmission in Parkinson’s Disease<br>17. Dopamine effects in striatal and subthalamic nucleus neurons<br>18. Adaptations that follow partial and severe striatal dopaminergic denervation<br>19. Molecular mechanisms underlying L-DOPA-induced dyskinesia, role of dopamine receptors<br>20. Imaging and electrophysiology of direct and indirect pathway neurons in freely moving animals<br>21. Striatal cholinergic system in PD<br>22. Striatal serotoninergic system in PD<br>23. Opto and chemogenetic studies on L-DOPA-induced dyskinesia<br>24. Network dynamics in rodent PD and LID models<br>25. Network dynamics in primate models and patients ; effects of DBS on network dynamics<br>26. Mechanisms underlying impulse control disorders in PD<br>27. Brain stem mechanism of PD symptoms