2024
Unveiling the Structure in Mental Disorder Presentations
Spiller T, Duek O, Helmer M, Murray J, Fielstein E, Pietrzak R, von Känel R, Harpaz-Rotem I. Unveiling the Structure in Mental Disorder Presentations. JAMA Psychiatry 2024, 81: 1101-1107. PMID: 39110437, PMCID: PMC11307158, DOI: 10.1001/jamapsychiatry.2024.2047.Peer-Reviewed Original ResearchSymptom combinationsNational Institute of Mental Health Data ArchivePosttraumatic stress disorderDiagnostic criteriaHeterogeneity of symptomsSecondary data analysisCross-sectional studyRevision of diagnostic criteriaSymptom-based definitionsDSM criteriaStress disorderSymptom heterogeneityDisorder presentationsClinical populationsMain OutcomesAssess symptomsGroup of individualsParticipantsSymptomsNational InstituteDisordersIndividualsSchizophreniaAnxietyIndividual frequencies
2022
Prior differences in previous trauma exposure primarily drive the observed racial/ethnic differences in posttrauma depression and anxiety following a recent trauma
Harnett N, Dumornay N, Delity M, Sanchez L, Mohiuddin K, Musey P, Seamon M, McLean S, Kessler R, Koenen K, Beaudoin F, Lebois L, van Rooij S, Sampson N, Michopoulos V, Maples-Keller J, Haran J, Storrow A, Lewandowski C, Hendry P, Sheikh S, Jones C, Punches B, Kurz M, Swor R, McGrath M, Hudak L, Pascual J, House S, An X, Stevens J, Neylan T, Jovanovic T, Linnstaedt S, Germine L, Datner E, Chang A, Pearson C, Peak D, Merchant R, Domeier R, Rathlev N, O'Neil B, Sergot P, Bruce S, Miller M, Pietrzak R, Joormann J, Barch D, Pizzagalli D, Sheridan J, Smoller J, Luna B, Harte S, Elliott J, Ressler K. Prior differences in previous trauma exposure primarily drive the observed racial/ethnic differences in posttrauma depression and anxiety following a recent trauma. Psychological Medicine 2022, 53: 2553-2562. PMID: 35094717, PMCID: PMC9339026, DOI: 10.1017/s0033291721004475.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderPrevious trauma exposureTrauma exposurePosttraumatic depressionPrior differencesChildhood emotional abusePrior trauma exposureSelf-report assessmentsWhite participantsPosttraumatic stressStress disorderAnxiety symptomsEmotional abuseLife stressorsPTSD ratesEarly aftermathPosttraumatic dysfunctionAnxietySymptom trajectoriesRecent traumaEthnic differencesAURORA studyParticipantsSymptom recoveryRecent research
2021
Is there more public support for US Veterans who experience homelessness and posttraumatic stress disorder than other US adults?
Tsai J, Shen J, Southwick S, Pietrzak R. Is there more public support for US Veterans who experience homelessness and posttraumatic stress disorder than other US adults? Military Psychology 2021, 33: 15-22. PMID: 38536358, PMCID: PMC10013517, DOI: 10.1080/08995605.2020.1842036.Peer-Reviewed Original ResearchMore federal fundingPolitical identificationRepublican PartyPublic supportHomelessnessNational online surveyFederal fundingPrivate programsGreater supportPublic knowledgeBackground characteristicsAttitudesOnline surveyGreater safety concernsPositive attitudesGovernmentPartiesPolicySupportFundingProgramPosttraumatic stress disorderParticipantsVeteransKnowledge
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