title: Mechanisms underlying emotional variation in parkinsonian tremor.
mesh_terms: D004336:Drug Antagonism; D004837:Epinephrine / Q000494:pharmacology* / Q000502:physiology; D006801:Humans; D007003:Hypoglycemia / Q000150:complications; D007328:Insulin / Q000494:pharmacology*; D009068:Movement / Q000187:drug effects; D010300:Parkinson Disease / Q000503:physiopathology; D011340:Problem Solving; D011433:Propranolol / Q000494:pharmacology*; D013312:Stress, Physiological / Q000150:complications*; D013565:Sympatholytics / Q000494:pharmacology*; D014202:Tremor / Q000503:physiopathology*
chemical_list: D007328:Insulin; D013565:Sympatholytics; D011433:Propranolol; D004837:Epinephrine