Stereotaxic TechniquesAnatomy, ArtisticAtlases as TopicMedical IllustrationEntopeduncular NucleusBrainImaging, Three-DimensionalBrain MappingMagnetic Resonance ImagingNeuronsAmygdalaMicroinjectionsRats, Sprague-DawleyCorpus StriatumThalamusCerebral CortexNeural PathwaysGenetic VectorsPostoperative ComplicationsBrain NeoplasmsBariatric SurgeryTime FactorsBehavior, AnimalImage Processing, Computer-AssistedGene Transfer TechniquesParkinson DiseaseTreatment OutcomeDisease Models, Animal