Impaired olfaction and other prodromal features in the Parkinson At‐Risk Syndrome study
Siderowf A, Jennings D, Eberly S, Oakes D, Hawkins KA, Ascherio A, Stern MB, Marek K, Investigators T. Impaired olfaction and other prodromal features in the Parkinson At‐Risk Syndrome study. Movement Disorders 2012, 27: 406-412. PMID: 22237833, PMCID: PMC6342466, DOI: 10.1002/mds.24892.Peer-Reviewed Original ResearchConceptsNonmotor featuresProdromal featuresOlfactory testingRapid eye movement sleep behaviour disorder symptomsSyndrome StudyPennsylvania Smell Identification TestDopamine transporter imagingPercent of subjectsSmell Identification TestRisk of PDFuture neurodegenerationHyposmic subjectsOlfactory dysfunctionImpaired olfactionTransporter imagingMotor functionMotor featuresSmell testNeurological diagnosisUndiagnosed individualsHyposmiaScreening testSpecific markersDisorder symptomsFurther assessment