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 frequenciesEmotional State Transitions in Trauma-Exposed Individuals With and Without Posttraumatic Stress Disorder
Korem N, Duek O, Spiller T, Ben-Zion Z, Levy I, Harpaz-Rotem I. Emotional State Transitions in Trauma-Exposed Individuals With and Without Posttraumatic Stress Disorder. JAMA Network Open 2024, 7: e246813. PMID: 38625701, PMCID: PMC11022112, DOI: 10.1001/jamanetworkopen.2024.6813.Peer-Reviewed Original ResearchPosttraumatic stress disorderTrauma-exposed individualsEmotional numbing symptomsTrauma-exposed controlsNegative emotional statesNumbing symptomsEmotional numbingDSM-5Valence ratingsStress disorderEmotional statesTrauma-exposed control groupPTSD experiencesPosttraumatic stress disorder symptomsPosttraumatic Stress Disorder ChecklistDSM-5 criteriaAge-related associationsStimulus valencePCL-5Emotional responsesEmotional state transitionEmotional transitionSymptomsParticipantsDisorders
2018
Role of self-criticism in reward and punishment probabilistic learning
Duek O, Shahar G, Osher Y, Kofman O. Role of self-criticism in reward and punishment probabilistic learning. Personality And Individual Differences 2018, 134: 155-163. DOI: 10.1016/j.paid.2018.06.007.Peer-Reviewed Original ResearchPersonality traitsPunishment learningProbabilistic classification taskMonitoring of errorsAvoidance personality traitsAmbiguous stimuliPositive eventsDifficult vs.Probabilistic feedbackProbabilistic learningStudy 2Inhibition tendencyDepressive personality traitsRewardDifficult contingenciesTaskLearningClassification taskParticipantsTraitsStimuliIntelligenceContingenciesTendencyDepression
2013
Reward sensitivity and anger in euthymic bipolar disorder
Duek O, Osher Y, Belmaker RH, Bersudsky Y, Kofman O. Reward sensitivity and anger in euthymic bipolar disorder. Psychiatry Research 2013, 215: 95-100. PMID: 24230992, DOI: 10.1016/j.psychres.2013.10.028.Peer-Reviewed Original ResearchConceptsSingle Key Impulsivity ParadigmProbabilistic classification taskUltimatum gameReward sensitivityUnfair offersEuthymic stateAdult bipolar disorder patientsBipolar disorderEuthymic bipolar disorderUse of tasksPunishment learningResidual angerApproach systemHC participantsFair offersAngerRewardBipolar disorder patientsHC groupDisorder patientsParticipantsTaskPunishmentClassification taskBAS