2015
Cognitive performance and neuropsychiatric symptoms in early, untreated Parkinson's disease
Weintraub D, Simuni T, Caspell‐Garcia C, Coffey C, Lasch S, Siderowf A, Aarsland D, Barone P, Burn D, Chahine M, Eberling J, Espay AJ, Foster ED, Leverenz JB, Litvan I, Richard I, Troyer MD, Hawkins KA, Initiative T. Cognitive performance and neuropsychiatric symptoms in early, untreated Parkinson's disease. Movement Disorders 2015, 30: 919-927. PMID: 25737166, PMCID: PMC4855523, DOI: 10.1002/mds.26170.Peer-Reviewed Original ResearchConceptsParkinson's Progression Markers InitiativeNeuropsychiatric symptomsPD patientsHealthy controlsProgression Markers InitiativeParkinson's diseaseCognitive impairmentUntreated PD patientsDopamine replacement therapySignificant depressive symptomsGroup differencesSymptoms of depressionQuality of lifeMild cognitive impairmentUntreated patientsDisease courseReplacement therapyICD symptomsControl disordersDepressive symptomsGeneral populationPatientsMeeting criteriaMulti-site studyBiological predictors
2008
Self-Reported Distress After Cognitive Testing in Patients With Alzheimer's Disease
Lai JM, Hawkins KA, Gross CP, Karlawish JH. Self-Reported Distress After Cognitive Testing in Patients With Alzheimer's Disease. The Journals Of Gerontology Series A 2008, 63: 855-859. PMID: 18772474, PMCID: PMC2733161, DOI: 10.1093/gerona/63.8.855.Peer-Reviewed Original ResearchConceptsSelf-reported distressCognitive testingDepressive symptomsDisease experienceSpecific patient factorsModerate AD patientsMultivariate logistic regressionCognitive performanceMore distressDemographic factorsTest performanceAlzheimer's disease (AD) experienceIntact patientsMultivariable analysisPatient factorsPatient awarenessAD patientsLevel of distressModerate ADPredictors of distressDementia severityPatientsAlzheimer's diseaseBivariate analysisLogistic regression