2023
Clinical significance of novel 8-factor model of DSM-5 PTSD in national VA PTSD residential treatment data: Internally- v. externally-cued intrusions
Gross G, Spiller T, Duek O, Pietrzak R, Harpaz-Rotem I. Clinical significance of novel 8-factor model of DSM-5 PTSD in national VA PTSD residential treatment data: Internally- v. externally-cued intrusions. Journal Of Affective Disorders 2023, 328: 255-260. PMID: 36806596, DOI: 10.1016/j.jad.2023.02.046.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderPTSD symptomsDysphoric arousalDSM-5 posttraumatic stress disorderDSM-5 PTSD symptomsDistinct underlying processesSelf-report measuresGeneralized anxiety symptomsSuperior model fitPhysical health functioningCore defining featuresStructural equation modelingWorse emotional functioningAnxious arousalSymptoms of depressionNegative affectIntrusion symptomsGreater avoidanceEmotional functioningStress disorderAnxiety symptomsPTSD ChecklistIntrusion factorCross-sectional designGeneralized anxiety
2018
Contrasting contributions of anhedonia to obsessive-compulsive, hoarding, and post-traumatic stress disorders
Pushkarskaya H, Sobowale K, Henick D, Tolin DF, Anticevic A, Pearlson GD, Levy I, Harpaz-Rotem I, Pittenger C. Contrasting contributions of anhedonia to obsessive-compulsive, hoarding, and post-traumatic stress disorders. Journal Of Psychiatric Research 2018, 109: 202-213. PMID: 30572276, PMCID: PMC8549853, DOI: 10.1016/j.jpsychires.2018.11.029.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderObsessive-compulsive disorderValue-based choiceGambling TaskStress disorderSelf-reported risk takingBehavior-based measuresRisk perceptionAspects of anhedoniaRole of anhedoniaEffect of anhedoniaRisk-taking propensitySymptoms of depressionTransdiagnostic constructCompulsive disorderBehavioral outcomesGeneral depressionIndex of difficultyAnhedoniaRisk takingUnique contributionIndividual risk aversionPsychotic disordersPerceptionTask