2024
Amygdala Cannabinoid 1 Receptor, Pain Response, and Emotional Numbing in Trauma-Exposed Individuals
Korem N, Hillmer A, D’Souza D, Nia A, Levy I, Pietrzak R, Harpaz-Rotem I. Amygdala Cannabinoid 1 Receptor, Pain Response, and Emotional Numbing in Trauma-Exposed Individuals. JAMA Network Open 2024, 7: e2432387. PMID: 39250156, PMCID: PMC11385051, DOI: 10.1001/jamanetworkopen.2024.32387.Peer-Reviewed Original Research
2022
Longitudinal volumetric evaluation of hippocampus and amygdala subregions in recent trauma survivors
Ben-Zion Z, Korem N, Spiller TR, Duek O, Keynan JN, Admon R, Harpaz-Rotem I, Liberzon I, Shalev AY, Hendler T. Longitudinal volumetric evaluation of hippocampus and amygdala subregions in recent trauma survivors. Molecular Psychiatry 2022, 28: 657-667. PMID: 36280750, PMCID: PMC9918676, DOI: 10.1038/s41380-022-01842-x.Peer-Reviewed Original ResearchConceptsEmergency departmentAmygdala subregionsPTSD diagnosisGeneral hospital emergency departmentLeft amygdala volumeHospital emergency departmentRight hippocampus volumeCA1 hippocampal subregionRecent trauma survivorsTrauma survivorsCivilian trauma survivorsED admissionEligible participantsHippocampus volumeAmygdala volumeHippocampal subregionsVulnerability traitsDisorder pathogenesisClinical InterviewModerate evidenceHippocampus subregionsTrauma exposureStructural MRIRobust evidenceLower initial volumeA comparison of methods to harmonize cortical thickness measurements across scanners and sites
Sun D, Rakesh G, Haswell CC, Logue M, Baird CL, O'Leary EN, Cotton AS, Xie H, Tamburrino M, Chen T, Dennis EL, Jahanshad N, Salminen LE, Thomopoulos SI, Rashid F, Ching CRK, Koch SBJ, Frijling JL, Nawijn L, van Zuiden M, Zhu X, Suarez-Jimenez B, Sierk A, Walter H, Manthey A, Stevens JS, Fani N, van Rooij SJH, Stein M, Bomyea J, Koerte IK, Choi K, van der Werff SJA, Vermeiren RRJM, Herzog J, Lebois LAM, Baker JT, Olson EA, Straube T, Korgaonkar MS, Andrew E, Zhu Y, Li G, Ipser J, Hudson AR, Peverill M, Sambrook K, Gordon E, Baugh L, Forster G, Simons RM, Simons JS, Magnotta V, Maron-Katz A, du Plessis S, Disner SG, Davenport N, Grupe DW, Nitschke JB, deRoon-Cassini TA, Fitzgerald JM, Krystal JH, Levy I, Olff M, Veltman DJ, Wang L, Neria Y, De Bellis MD, Jovanovic T, Daniels JK, Shenton M, van de Wee NJA, Schmahl C, Kaufman ML, Rosso IM, Sponheim SR, Hofmann DB, Bryant RA, Fercho KA, Stein DJ, Mueller SC, Hosseini B, Phan KL, McLaughlin KA, Davidson RJ, Larson CL, May G, Nelson SM, Abdallah CG, Gomaa H, Etkin A, Seedat S, Harpaz-Rotem I, Liberzon I, van Erp TGM, Quidé Y, Wang X, Thompson PM, Morey RA. A comparison of methods to harmonize cortical thickness measurements across scanners and sites. NeuroImage 2022, 261: 119509. PMID: 35917919, PMCID: PMC9648725, DOI: 10.1016/j.neuroimage.2022.119509.Peer-Reviewed Original ResearchRemodeling of the Cortical Structural Connectome in Posttraumatic Stress Disorder: Results From the ENIGMA-PGC Posttraumatic Stress Disorder Consortium
Sun D, Rakesh G, Clarke-Rubright EK, Haswell CC, Logue MW, O'Leary EN, Cotton AS, Xie H, Dennis EL, Jahanshad N, Salminen LE, Thomopoulos SI, Rashid FM, Ching CRK, Koch SBJ, Frijling JL, Nawijn L, van Zuiden M, Zhu X, Suarez-Jimenez B, Sierk A, Walter H, Manthey A, Stevens JS, Fani N, van Rooij SJH, Stein MB, Bomyea J, Koerte I, Choi K, van der Werff SJA, Vermeiren RRJM, Herzog JI, Lebois LAM, Baker JT, Ressler KJ, Olson EA, Straube T, Korgaonkar MS, Andrew E, Zhu Y, Li G, Ipser J, Hudson AR, Peverill M, Sambrook K, Gordon E, Baugh LA, Forster G, Simons RM, Simons JS, Magnotta VA, Maron-Katz A, du Plessis S, Disner SG, Davenport ND, Grupe D, Nitschke JB, deRoon-Cassini TA, Fitzgerald J, Krystal JH, Levy I, Olff M, Veltman DJ, Wang L, Neria Y, De Bellis MD, Jovanovic T, Daniels JK, Shenton ME, van de Wee NJA, Schmahl C, Kaufman ML, Rosso IM, Sponheim SR, Hofmann DB, Bryant RA, Fercho KA, Stein DJ, Mueller SC, Phan KL, McLaughlin KA, Davidson RJ, Larson C, May G, Nelson SM, Abdallah CG, Gomaa H, Etkin A, Seedat S, Harpaz-Rotem I, Liberzon I, Wang X, Thompson PM, Morey RA. Remodeling of the Cortical Structural Connectome in Posttraumatic Stress Disorder: Results From the ENIGMA-PGC Posttraumatic Stress Disorder Consortium. Biological Psychiatry Cognitive Neuroscience And Neuroimaging 2022, 7: 935-948. PMID: 35307575, PMCID: PMC9835553, DOI: 10.1016/j.bpsc.2022.02.008.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderCortical thicknessStructural covarianceComorbid depressionControl subjectsLarge effect sizesStress disorderEffect sizeTrauma-exposed control subjectsCase-control differencesCortical surface areaInflammatory processClinical dataResting-state functional connectivity networksPositive pairwise correlationsCortical differencesCortical regionsCortical neuroanatomyStress hormonesFunctional connectivity networksPTSD casesSmall effect sizesGroup differencesStructural networkStructural connectome
2021
Mindfulness as a Mediator Between Trauma Exposure and Mental Health Outcomes: Results From the National Health and Resilience in Veterans Study
Kachadourian LK, Harpaz-Rotem I, Tsai J, Southwick S, Pietrzak RH. Mindfulness as a Mediator Between Trauma Exposure and Mental Health Outcomes: Results From the National Health and Resilience in Veterans Study. Psychological Trauma Theory Research Practice And Policy 2021, 13: 223-230. PMID: 33475404, PMCID: PMC8500672, DOI: 10.1037/tra0000995.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderAlcohol use disorderLifetime traumaTrauma-related negative affectPresent momentVeterans StudyU.S. veteransTrauma-related experiencesSuicidal ideationTraumatic life eventsLifetime trauma burdenMental health outcomesQuality of lifeMental health problemsTrauma remindersNegative affectMindful attentionTrauma exposurePTSD symptomsMental health issuesTraumatic eventsCumulative traumaStress disorderNoncombat veteransLife events
2019
Neural computations of threat in the aftermath of combat trauma
Homan P, Levy I, Feltham E, Gordon C, Hu J, Li J, Pietrzak RH, Southwick S, Krystal JH, Harpaz-Rotem I, Schiller D. Neural computations of threat in the aftermath of combat trauma. Nature Neuroscience 2019, 22: 470-476. PMID: 30664770, PMCID: PMC6829910, DOI: 10.1038/s41593-018-0315-x.Peer-Reviewed Original ResearchConceptsPTSD symptomsPost-traumatic stress disorder symptomsHigher PTSD symptom severityThreat-predictive cuesPTSD symptom severityAssociative threatPredictive cuesNeural trackingDisorder symptomsPrediction errorCombat veteransDynamic learning rateNegative outcomesCombat traumaSmaller amygdala volumesNeural computationLatent markersSymptomatic veteransSymptom severityAmygdala volumeAssociabilityCuesLearning rateVeteransSymptoms
2018
Protective correlates of suicidality among veterans with histories of posttraumatic stress disorder and major depressive disorder: Results from the National Health and Resilience in Veterans Study
Kachadourian LK, Tsai J, Harpaz-Rotem I, Southwick SM, Pietrzak RH. Protective correlates of suicidality among veterans with histories of posttraumatic stress disorder and major depressive disorder: Results from the National Health and Resilience in Veterans Study. Journal Of Affective Disorders 2018, 246: 731-737. PMID: 30616162, DOI: 10.1016/j.jad.2018.12.058.Peer-Reviewed Original ResearchMeSH KeywordsAdultCross-Sectional StudiesDepressive Disorder, MajorFemaleHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisOptimismPrevalenceProtective FactorsResilience, PsychologicalRisk FactorsStress Disorders, Post-TraumaticSuicidal IdeationSuicideSuicide, AttemptedSurveys and QuestionnairesUnited StatesVeteransYoung AdultConceptsMajor depressive disorderPosttraumatic stress disorderProtective correlatesSuicidal ideationSuicide attemptsProtective factorsDepressive disorderNational HealthVeterans StudyMultivariable logistic regression analysisSuicidal behaviorStress disorderHistory of PTSDLogistic regression analysisSample of veteransAssessment of suicidalityLifetime suicide attemptsRisk factorsHigh-risk sampleTreatment approachesU.S. veteransWeb-based surveyCross-sectional natureSuicide riskSelf-report itemsLocus of control in US combat veterans: Unique associations with posttraumatic stress disorder 5-factor model symptom clusters
Smith NB, Sippel LM, Presseau C, Rozek D, Mota N, Gordon C, Horvath M, Harpaz-Rotem I. Locus of control in US combat veterans: Unique associations with posttraumatic stress disorder 5-factor model symptom clusters. Psychiatry Research 2018, 268: 152-156. PMID: 30029062, DOI: 10.1016/j.psychres.2018.07.015.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderLocus of controlPTSD symptom clustersOverall PTSD symptomsAvoidance symptomsPTSD symptomsSymptom clustersStress disorderCombat veteransExternal locusCombat exposureCorrelates of PTSDSpecific PTSD symptom clustersTrauma-focused treatmentSelf-report measuresUS combat veteransIntervention effortsUnique associationUS military veteransExtreme scoresPotential correlatesMilitary veteransBivariate correlationsOnly avoidanceSignificant correlates
2017
Mental and Physical Health Conditions in US Combat Veterans: Results From the National Health and Resilience in Veterans Study.
Thomas MM, Harpaz-Rotem I, Tsai J, Southwick SM, Pietrzak RH. Mental and Physical Health Conditions in US Combat Veterans: Results From the National Health and Resilience in Veterans Study. The Primary Care Companion For CNS Disorders 2017, 19 PMID: 28657698, DOI: 10.4088/pcc.17m02118.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsCardiovascular DiseasesCross-Sectional StudiesFemaleHealth StatusHumansMaleMental DisordersMental HealthMiddle AgedMigraine DisordersResilience, PsychologicalSex FactorsSocioeconomic FactorsSubstance-Related DisordersSuicideUnited StatesVeteransWar ExposureYoung AdultConceptsPhysical health conditionsPosttraumatic stress disorderOlder combat veteransCurrent posttraumatic stress disorderGreater oddsHealth conditionsChronic painHeart diseaseUS veteransNational HealthMigraine headacheCombat veteransSuicidal ideationVeterans StudyCurrent generalized anxiety disorderHeart attackVeterans Affairs Healthcare SystemLifetime posttraumatic stress disorderUS veteran populationElevated ratesPopulation-based burdenCurrent psychiatric disorderDrug use disordersMental health factorsGeneralized anxiety disorderDifferential predictive value of PTSD symptom clusters for mental health care among Iraq and Afghanistan veterans following PTSD diagnosis
Smith NB, Tsai J, Pietrzak RH, Cook JM, Hoff R, Harpaz-Rotem I. Differential predictive value of PTSD symptom clusters for mental health care among Iraq and Afghanistan veterans following PTSD diagnosis. Psychiatry Research 2017, 256: 32-39. PMID: 28622572, DOI: 10.1016/j.psychres.2017.06.005.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderAfghanistan veteransPTSD symptom clustersNational VA administrative dataVeterans AffairsSymptom clustersMental health service utilizationTreatment-related variablesHealth service utilizationVA administrative dataSelection of treatmentMental health carePTSD symptom cluster severitySymptom cluster severityTrauma-exposed veteransInitial diagnosisClinical variablesPsychotherapy visitsAdequate doseService utilizationDifferential predictive valueLarge cohortCombination treatmentPsychotherapy initiationTreatment approachesOne-Year Incidence and Predictors of Homelessness Among 300,000 U.S. Veterans Seen in Specialty Mental Health Care
Tsai J, Hoff RA, Harpaz-Rotem I. One-Year Incidence and Predictors of Homelessness Among 300,000 U.S. Veterans Seen in Specialty Mental Health Care. Psychological Services 2017, 14: 203-207. PMID: 28481605, DOI: 10.1037/ser0000083.Peer-Reviewed Original ResearchConceptsSpecialty mental health clinicsMental health clinicsHealth clinicsRetrospective cohort study designVeterans AffairsSpecialty mental health careCohort study designVA medical recordsDrug use disordersMental health careVA homeless servicesClinical predictorsProspective studyMedical recordsDisorders ClinicInternational ClassificationUse disordersVA facilitiesU.S. veteransEarly signsStudy designVA effortsClinicHealth careIncidenceCortical thickness reduction in combat exposed U.S. veterans with and without PTSD
Wrocklage KM, Averill LA, Scott J, Averill CL, Schweinsburg B, Trejo M, Roy A, Weisser V, Kelly C, Martini B, Harpaz-Rotem I, Southwick SM, Krystal JH, Abdallah CG. Cortical thickness reduction in combat exposed U.S. veterans with and without PTSD. European Neuropsychopharmacology 2017, 27: 515-525. PMID: 28279623, PMCID: PMC5429865, DOI: 10.1016/j.euroneuro.2017.02.010.Peer-Reviewed Original ResearchConceptsClinician-Administered PTSD ScalePTSD symptom dimensionsPTSD diagnosisCombat exposureCortical thicknessSymptom dimensionsMagnetic resonance imagingPosttraumatic stress disorder (PTSD) symptomsU.S. veteransCortical thinningUnique brain regionsLeft lateral prefrontalAnxious arousalPTSD dimensionsNeural correlatesHigh-resolution magnetic resonance imagingCortical thickness reductionsLateral prefrontalPTSD symptomsDisorder symptomsCombat severityCurrent PTSDPTSD ScalePrefrontal cortexPotential confoundsPsychotherapy Utilization and Retention in a National Sample of Veterans With PTSD
Doran JM, Pietrzak RH, Hoff R, Harpaz‐Rotem I. Psychotherapy Utilization and Retention in a National Sample of Veterans With PTSD. Journal Of Clinical Psychology 2017, 73: 1259-1279. PMID: 28186638, DOI: 10.1002/jclp.22445.Peer-Reviewed Original Research
2016
The burden of hostility in U.S. Veterans: Results from the National Health and Resilience in Veterans Study
Sippel LM, Mota NP, Kachadourian LK, Krystal JH, Southwick SM, Harpaz-Rotem I, Pietrzak RH. The burden of hostility in U.S. Veterans: Results from the National Health and Resilience in Veterans Study. Psychiatry Research 2016, 243: 421-430. PMID: 27450745, DOI: 10.1016/j.psychres.2016.06.040.Peer-Reviewed Original ResearchConceptsS. veteransLongitudinal courseNational HealthProtective correlatesVeterans StudyProspective cohort studyPopulation-based evaluationPopulation-based dataAggressive urgesMajority of veteransPhysical health consequencesProtective psychosocial characteristicsCohort studySymptomatic courseAlcohol misuseU.S. veteransPsychosocial characteristicsHealth consequencesTreatment effortsPsychological distressVeteransTwo-year periodPrevalenceRiskSocial connectednessComparison of blast-exposed OEF/OIF veterans with and without a history of TBI symptoms on a brief computerized neuropsychological battery
Kalkstein S, Scott JC, Biester R, Brownlow JA, Harpaz-Rotem I, Gur RC. Comparison of blast-exposed OEF/OIF veterans with and without a history of TBI symptoms on a brief computerized neuropsychological battery. Applied Neuropsychology Adult 2016, 24: 92-97. PMID: 27045712, DOI: 10.1080/23279095.2015.1119693.Peer-Reviewed Original ResearchConceptsComputerized neuropsychological batteryPosttraumatic stress disorderNeuropsychological batteryBlast-related mild TBIOEF/OIF veteransMild TBISlower processing speedSpeed-accuracy tradeoffMild traumatic brain injuryBlast-exposed veteransLarge effect sizesComputerized batterySustained attentionTraumatic brain injuryNeurocognitive performanceStress disorderProcessing speedMTBI groupOIF veteransNeurocognitive testingTBI symptomsAccuracy scoresImprovised Explosive DevicesEffect sizeBlast exposurePOSTTRAUMATIC STRESS SYMPTOMS AND AVERSION TO AMBIGUOUS LOSSES IN COMBAT VETERANS
Ruderman L, Ehrlich DB, Roy A, Pietrzak RH, Harpaz-Rotem I, Levy I. POSTTRAUMATIC STRESS SYMPTOMS AND AVERSION TO AMBIGUOUS LOSSES IN COMBAT VETERANS. Depression And Anxiety 2016, 33: 606-613. PMID: 27000639, PMCID: PMC5247796, DOI: 10.1002/da.22494.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderCombat veteransAmbiguity attitudesCombat exposureDecision-making taskTrauma-related symptomsAnxious arousal symptomsBehavioral economics techniquesUncertainty attitudesAnxious arousalNeural underpinningsTraditional diagnostic categoriesArousal symptomsStress disorderBehavioral levelBehavioral outcomesParticipants' choicesLoss domainBehavioral economicsPsychiatric symptomsVeteransAttitudesPsychiatric disordersUncertain outcomesUncertain gainsNature and determinants of suicidal ideation among U.S. veterans: Results from the national health and resilience in veterans study
Smith NB, Mota N, Tsai J, Monteith L, Harpaz-Rotem I, Southwick SM, Pietrzak RH. Nature and determinants of suicidal ideation among U.S. veterans: Results from the national health and resilience in veterans study. Journal Of Affective Disorders 2016, 197: 66-73. PMID: 26970267, DOI: 10.1016/j.jad.2016.02.069.Peer-Reviewed Original ResearchConceptsChronic suicidal ideationPhysical health difficultiesSuicidal ideationU.S. veteransProtective psychosocial characteristicsNational HealthPsychosocial characteristicsHealth difficultiesSI onsetMajor public health concernProspective cohort studyPublic health concernSubstance abuse historyWave 1Majority of veteransU.S. military veteransCohort studyProtective correlatesTwo-week timeframePsychiatric distressVeterans StudySociodemographic characteristicsSuicidal thoughtsHealth concernTreatment efforts
2015
“I’m Coming Home, Tell the World I’m Coming Home”. The Long Homecoming and Mental Health Treatment of Iraq and Afghanistan War Veterans
Rozanova J, Noulas P, Smart K, Roy A, Southwick SM, Davidson L, Harpaz-Rotem I. “I’m Coming Home, Tell the World I’m Coming Home”. The Long Homecoming and Mental Health Treatment of Iraq and Afghanistan War Veterans. Psychiatric Quarterly 2015, 87: 427-443. PMID: 26566926, DOI: 10.1007/s11126-015-9398-7.Peer-Reviewed Original ResearchAdultAfghan Campaign 2001-Career ChoiceFemaleHumansIraq War, 2003-2011MaleMental DisordersMental Health ServicesMiddle AgedMilitary PersonnelPatient Acceptance of Health CareQualitative ResearchSocial IdentificationSocial StigmaUnited StatesUnited States Department of Veterans AffairsVeteransVocational GuidanceYoung AdultAmygdala-Hippocampal Volume and the Phenotypic Heterogeneity of Posttraumatic Stress Disorder: A Cross-Sectional Study
Pietrzak RH, Averill LA, Abdallah CG, Neumeister A, Krystal JH, Levy I, Harpaz-Rotem I. Amygdala-Hippocampal Volume and the Phenotypic Heterogeneity of Posttraumatic Stress Disorder: A Cross-Sectional Study. JAMA Psychiatry 2015, 72: 396-398. PMID: 25692480, PMCID: PMC5134909, DOI: 10.1001/jamapsychiatry.2014.2470.Peer-Reviewed Original Research
2014
Functional significance of a novel 7-factor model of DSM-5 PTSD symptoms: Results from the National Health and Resilience in Veterans Study
Pietrzak RH, Tsai J, Armour C, Mota N, Harpaz-Rotem I, Southwick SM. Functional significance of a novel 7-factor model of DSM-5 PTSD symptoms: Results from the National Health and Resilience in Veterans Study. Journal Of Affective Disorders 2014, 174: 522-526. PMID: 25556669, DOI: 10.1016/j.jad.2014.12.007.Peer-Reviewed Original ResearchConceptsQuality of lifePosttraumatic stress disorderDSM-5 PTSD symptomsPTSD symptomsNational HealthU.S. veteransSuicidal ideationVeterans StudySymptom clustersDysphoric arousal symptomsCross-sectional designFunctional outcomePsychiatric comorbidityClinical significancePTSD symptom clustersCurrent depressionDSM-5 PTSD symptom clustersPTSD phenotypeMental disordersSymptomsComorbid psychopathologyStress disorderFunctional correlatesStatistical ManualTreatment efforts