Essential TremorTremorHarminePrimidoneStereotaxic TechniquesDeep Brain StimulationParkinson DiseaseThalamusDystoniaHarmalineVentral Thalamic NucleiEstranesHandwritingAtaxiaSubthalamusMovement DisordersCerebellar DiseasesCerebellumElectromyographyGait AtaxiaWristSubdural SpacePropranololMoxisylytePostureApathyElectrodes, ImplantedDyskinesiasGait Disorders, NeurologicMyoclonic Cerebellar DyssynergiaElectric Stimulation Therapy