2018
The effect of preclinical Alzheimer's disease on age-related changes in intelligence in cognitively normal older adults
Harrington K, Dang C, Lim Y, Ames D, Laws S, Pietrzak R, Rainey-Smith S, Robertson J, Rowe C, Salvado O, Villemagne V, Masters C, Maruff P, Group F. The effect of preclinical Alzheimer's disease on age-related changes in intelligence in cognitively normal older adults. Intelligence 2018, 70: 22-29. DOI: 10.1016/j.intell.2018.07.004.Peer-Reviewed Original ResearchPreclinical Alzheimer's diseaseAge-related declineAlzheimer's diseaseNormal older adultsOlder adultsRisk of progressionClinical disease progressionRapid age-related declinesEarly Alzheimer's diseaseNormal age-related declineAge-related changesEffect of ageAβ groupProspective studyAβ statusDisease progressionSerial assessmentAbnormal amyloidPET neuroimagingLinear regression analysisNormal agingDiseaseIntellectual functionGreater age-related declineLinear mixed models
2014
Reliability and usability of an internet-based computerized cognitive testing battery in community-dwelling older people
Darby D, Fredrickson J, Pietrzak R, Maruff P, Woodward M, Brodtmann A. Reliability and usability of an internet-based computerized cognitive testing battery in community-dwelling older people. Computers In Human Behavior 2014, 30: 199-205. DOI: 10.1016/j.chb.2013.08.009.Peer-Reviewed Original ResearchComputerized test batteryTest batteryComputerized cognitive testing batteryCognitive declineCognitive testing batteryCommunity-dwelling older peopleOlder peopleCommunity-dwelling older adultsSelf-administered testingInternet-based versionTest-retest reliabilityCognitive functionTesting batteryOlder adultsNeurodegenerative conditionsTerms of acceptabilityEarly featureFurther evaluationTest usabilityParticipantsHigh acceptabilityBaseline testMonthly intervalsTechnical difficultiesAcceptability
2012
O3‐05‐05: Effect of Aβ burden and apolipoprotein E‐ε4 on cognitive decline at 18 months in healthy older adults
Lim Y, Ellis K, Ames D, Harrington K, Martins R, Masters C, Rowe C, Savage G, Szoeke C, Villemagne V, Pietrzak R, Maruff P, Group A. O3‐05‐05: Effect of Aβ burden and apolipoprotein E‐ε4 on cognitive decline at 18 months in healthy older adults. Alzheimer's & Dementia 2012, 8: p439-p439. DOI: 10.1016/j.jalz.2012.05.1168.Peer-Reviewed Original ResearchPsychiatric Comorbidity of Full and Partial Posttraumatic Stress Disorder Among Older Adults in the United States: Results From Wave 2 of the National Epidemiologic Survey on Alcohol and Related Conditions
Pietrzak RH, Goldstein RB, Southwick SM, Grant BF. Psychiatric Comorbidity of Full and Partial Posttraumatic Stress Disorder Among Older Adults in the United States: Results From Wave 2 of the National Epidemiologic Survey on Alcohol and Related Conditions. American Journal Of Geriatric Psychiatry 2012, 20: 380-390. PMID: 22522959, PMCID: PMC3334850, DOI: 10.1097/jgp.0b013e31820d92e7.Peer-Reviewed Original ResearchConceptsPartial posttraumatic stress disorderPosttraumatic stress disorderPsychosocial functioningOlder adultsStress disorderPersonality disorderPsychiatric comorbidityLifetime moodConsiderable psychiatric comorbidityPoor psychosocial functioningNational Epidemiologic SurveySchizotypal personality disorderAdults age 60 yearsSignificant psychiatric comorbidityNarcissistic personality disorderStressful experiencesStressful eventsAnxiety disordersPsychosocial dysfunctionU.S. older adultsBad eventsSubstance useIndirect experienceMoodUnexpected death
2011
O4‐01‐04: Episodic memory decline is associated with cortical amyloid accumulation in healthy community‐dwelling, non demented older adults
Darby D, Brodtmann A, Pietrzak R, Woodward M, Villemagne V, Maruff P, Rowe C. O4‐01‐04: Episodic memory decline is associated with cortical amyloid accumulation in healthy community‐dwelling, non demented older adults. Alzheimer's & Dementia 2011, 7: s682-s682. DOI: 10.1016/j.jalz.2011.05.1967.Peer-Reviewed Original Research