Basal Ganglia DiseasesBasal GangliaMagnetic Resonance ImagingGangliaRetinal Ganglion CellsBasal Ganglia HemorrhageGanglia, SpinalGlobus PallidusGanglia, SympatheticGanglia, AutonomicTrigeminal GanglionBasal Ganglia Cerebrovascular DiseaseGanglia, ParasympatheticGanglia, SensoryPutamenSubthalamic NucleusNeural PathwaysBrainNeuronsStellate GanglionCorpus StriatumParkinson DiseaseThalamusSubstantia NigraCaudate Nucleus