2025
Connectome-Based Predictive Modeling of PTSD Development Among Recent Trauma Survivors
Ben-Zion Z, Simon A, Rosenblatt M, Korem N, Duek O, Liberzon I, Shalev A, Hendler T, Levy I, Harpaz-Rotem I, Scheinost D. Connectome-Based Predictive Modeling of PTSD Development Among Recent Trauma Survivors. JAMA Network Open 2025, 8: e250331. PMID: 40063028, PMCID: PMC11894499, DOI: 10.1001/jamanetworkopen.2025.0331.Peer-Reviewed Original ResearchConceptsConnectome-based predictive modelingPosttraumatic stress disorderClinician-Administered PTSD Scale for DSM-5Months post-traumaFunctional magnetic resonance imagingTrauma survivorsDSM-5Post-traumaPosttraumatic stress disorder symptom clustersPosttraumatic stress disorder symptom severityPosttraumatic stress disorder symptom trajectoriesPosttraumatic stress disorder severityTask-based fMRI dataAnterior default modePredictive of symptomsFollow-up assessmentDevelopment of effective personalized treatmentsComprehensive clinical assessmentClinician-AdministeredNeurobiological indicesPosttraumatic psychopathologyHyperarousal symptomsCentral executiveTrauma exposureSalience network
2024
Cerebellar Contributions to Traumatic Autobiographical Memory in People with Post-Traumatic Stress Disorder
Blithikioti C, Duek O, Gordon C, Krystal J, Levy I, Harpaz-Rotem I, Schiller D, Perl O. Cerebellar Contributions to Traumatic Autobiographical Memory in People with Post-Traumatic Stress Disorder. The Cerebellum 2024, 23: 2332-2340. PMID: 39180693, DOI: 10.1007/s12311-024-01731-9.Peer-Reviewed Original ResearchPost-traumatic stress disorderFunctional magnetic resonance imagingRight cerebellar lobule VICerebellar lobule VIAutobiographical memoryTraumatic eventsAutobiographical recallStress disorderLobule VIRe-experiencing of traumatic eventsChronic post-traumatic stress disorderDebilitating mental health conditionPTSD pathophysiologyProcessing negative emotionsNegative affective statesCerebellar Crus IIMental health conditionsCerebellar engagementRe-experiencingTrauma exposureCerebellar contributionReactivity paradigmNegative emotionsAffective statesCrus II
2023
Evaluating a novel 8-factor dimensional model of PTSD in U.S. military veterans: Results from the National Health and Resilience in Veterans Study
Stiltner B, Fischer I, Duek O, Polimanti R, Harpaz-Rotem I, Pietrzak R. Evaluating a novel 8-factor dimensional model of PTSD in U.S. military veterans: Results from the National Health and Resilience in Veterans Study. Journal Of Affective Disorders 2023, 346: 303-307. PMID: 37979626, DOI: 10.1016/j.jad.2023.11.041.Peer-Reviewed Original ResearchConceptsIndex traumaPTSD symptomsNational HealthPosttraumatic stress disorder (PTSD) symptomsVeterans StudyMilitary veteransTrauma-exposed populationsClinician-administered interviewU.S. military veteransConfirmatory factor analysisDSM-5 modelStrong significant associationTrauma exposureIntrusive symptomsDisorder symptomsCombat exposureHigh riskU.S. veteransDSM-5Significant associationSymptomsInterpersonal violenceFactor analysisPTSDScarce 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 volume
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