Adjunct Faculty
Adjunct faculty typically have an academic or research appointment at another institution and contribute or collaborate with one or more School of Medicine faculty members or programs.
Adjunct rank detailsAriel Kor
Research
Publications
2026
Meaning in life and the mental health - addiction spiral: testing a unifying model
Gliksberg O, Lifshin U, Ankri Y, Skvirsky V, Shmulewitz D, Levitin M, Lev-Ran S, Kor A, Mikulincer M. Meaning in life and the mental health - addiction spiral: testing a unifying model. Frontiers In Psychiatry 2026, 17: 1777424. DOI: 10.3389/fpsyt.2026.1777424.Peer-Reviewed Original ResearchPresence of meaning in lifeMeaning in lifePsychopathological symptomsAddictive behaviorsProblematic substance useQuasi-representative samplesPsychological distressSubstance-relatedSubstance useIsraeli adultsPost-traumatic stress symptomsSample of Israeli adultsAssociated with lower psychological distressSelf-report measuresAssociated with psychological distressLower psychological distressPsychological Well-BeingAssociated with lower levelsProtective psychological factorsBehavioral addictionsYoung Israeli adultsStress symptomsMediation modelStudy 2Study 1Efficacy of a Conversational AI Agent for Psychiatric Symptoms and Digital Therapeutic Alliance
Shoshani A, Gurfinkel B, Kor A, Ben-Haim Y, Kanarek O, Segev R, Shafir O, Arbel R. Efficacy of a Conversational AI Agent for Psychiatric Symptoms and Digital Therapeutic Alliance. JAMA Network Open 2026, 9: e266713. PMID: 41979879, DOI: 10.1001/jamanetworkopen.2026.6713.Peer-Reviewed Original ResearchConceptsTherapeutic allianceGroup therapyWait-list controlPsychiatric symptomsAssociated with engagementPsychological distressFace-to-face group therapyLife satisfactionPosttraumatic stress disorderWell-beingRandomized clinical trialsUniversity studentsMental health care gapDigital therapeutic allianceHealth care gapMental health frameworkPTSD symptomsStress disorderMental health platformDepression reductionStructural equation modelingIntention-to-treat principleAnxiety reductionPsychological outcomesAssociated with improvementsSubstance and Behavioural Addictions Among Evacuees: Findings From Israeli Swords of Iron War
Rubin G, Lifshin U, Skvirsky V, Ankri Y, Shmulewitz D, Levitin M, Vider M, Lev‐Ran S, Kor A, Mikulincer M. Substance and Behavioural Addictions Among Evacuees: Findings From Israeli Swords of Iron War. Stress And Health 2026, 42: e70155. PMID: 41736387, PMCID: PMC12933018, DOI: 10.1002/smi.70155.Peer-Reviewed Original ResearchConceptsBehavioral addictionsQuasi-representative samplesStudy 1Problematic consumptionSelf-reported anxietyProblematic alcohol consumptionProblematic substance useAlcohol consumptionSample of Jewish IsraelisLevels of anxietyMental health problemsFeelings of dangerAddiction theoryStudy 2Stressful eventsSubstance useAddictionPrescription drugsConsumption of alcoholProblem gamblingMental healthWar stressorsUnique effectsDepressionYoung adultsThe unique contributions of adverse childhood experiences to increases in post-traumatic stress symptoms and problematic substance use after trauma exposure
Levitin M, Shmulewitz D, Levine E, Skvirsky V, Lev-Ran S, Kor A, Mikulincer M. The unique contributions of adverse childhood experiences to increases in post-traumatic stress symptoms and problematic substance use after trauma exposure. Scientific Reports 2026, 16: 6870. PMID: 41622320, PMCID: PMC12916772, DOI: 10.1038/s41598-026-37883-3.Peer-Reviewed Original ResearchPost-traumatic stress symptomsSubstance use disordersAdverse childhood experiencesSelf-medication hypothesisEarly adversityStress symptomsChildhood experiencesConsequences of early adversityUnique contributionsImpact of childhood experiencesProblematic substance usePost-traumatic stressQuasi-representative samplesTrauma-informed interventionsJewish Israeli adultsTrauma exposureUse disorderAdverse childhood experience scoreStructural equation modelingImmediate stress reactionsSensitivity hypothesisLongitudinal designSubstance useIsraeli adultsLong-term well-beingProblematic cannabis use and attachment insecurities as Joint predictors of Depression: Cross-Sectional and longitudinal models
Gliksberg O, Shmulewitz D, Skvirsky V, Levitin M, Feingold D, Kor A, Lev-Ran S, Mikulincer M. Problematic cannabis use and attachment insecurities as Joint predictors of Depression: Cross-Sectional and longitudinal models. Addictive Behaviors 2026, 175: 108604. PMID: 41518990, DOI: 10.1016/j.addbeh.2026.108604.Peer-Reviewed Original ResearchConceptsAttachment insecurityProblematic cannabis useCannabis useAttachment anxietyLifetime cannabis usePredictors of depressionJoint predictorsHigher anxiety levelsThree-way interactionLongitudinal modelJewish Israeli adultsEmotion dysregulationCannabis involvementVulnerability factorsDepressive symptomsT1 to T2Substance useCannabisLongitudinal associationsPHQ-9Israeli adultsDepressionAnxiety levelsAnxietyClinical interventions
2025
Longitudinal study of probable compulsive sexual behavior disorder and problematic pornography use profiles: their prospective impact on psychopathology during wartime
Efrati Y, Shmulewitz D, Skvirsky V, Vider M, Kor A, Lev-Ran S, Mikulincer M. Longitudinal study of probable compulsive sexual behavior disorder and problematic pornography use profiles: their prospective impact on psychopathology during wartime. Addictive Behaviors 2025, 175: 108589. PMID: 41435755, DOI: 10.1016/j.addbeh.2025.108589.Peer-Reviewed Original ResearchCompulsive sexual behavior disorderLatent profile analysisSexual behavior disorderCommunity sampleLatent profilesBehavioral disordersAssociated with mental disordersLevels of psychopathologySelf-report measuresLongitudinal studyOut-of-control behaviorPTSD severityPsychopathologyMental disordersChronic groupNo disordersDisordersTrajectory groupsProfile analysisStress periodProspective impactDelayed onsetPTSDUse profilesAnxietyLongitudinal PTSD trajectories before and after the October 7, 2023, terror attacks: A nationwide study of Israeli adults.
Levin Y, Shmulewitz D, Skvirsky V, Vider M, Kor A, Lev-Ran S, Mikulincer M. Longitudinal PTSD trajectories before and after the October 7, 2023, terror attacks: A nationwide study of Israeli adults. European Psychiatry 2025, 69: e13. PMID: 41178327, PMCID: PMC12925667, DOI: 10.1192/j.eurpsy.2025.10130.Peer-Reviewed Original ResearchA Longitudinal Study of the Associations Between War Exposure, Psychiatric Symptoms, Digital Engagement, and Substance Use in Adolescents
Shoshani A, Kor A. A Longitudinal Study of the Associations Between War Exposure, Psychiatric Symptoms, Digital Engagement, and Substance Use in Adolescents. Journal Of Adolescence 2025, 98: 272-280. PMID: 41028967, PMCID: PMC12780647, DOI: 10.1002/jad.70060.Peer-Reviewed Original ResearchSubstance usePsychiatric symptomsLongitudinal studySocial media useExposure to political violenceScreen timeTobacco useAlcohol consumptionMedia useOlder participantsSocial mediaDigital engagementLife eventsWar exposurePolitical life eventsPolitical violenceIsraeli adolescentsDigital media consumptionMedia consumptionSymptomsSchool yearAdolescentsAssociationSouthern IsraelScreeningGambling in the Shadow of War: Evidence of Increased Problem Gambling for Men with Difficulties in Emotional Regulation During a Mass Trauma
Lifshin U, Bonny-Noach H, Skvirsky V, Shmulewitz D, Vider M, Kor A, Lev-Ran S, Mikulincer M. Gambling in the Shadow of War: Evidence of Increased Problem Gambling for Men with Difficulties in Emotional Regulation During a Mass Trauma. Journal Of Gambling Studies 2025, 42: 219-233. PMID: 40924384, PMCID: PMC13009016, DOI: 10.1007/s10899-025-10417-8.Peer-Reviewed Original ResearchEmotion regulationEmotion regulation scoresProblem gamblingRegulation scoresMaladaptive emotion regulation strategiesMass traumaPredictors of problem gamblingEmotion Regulation ScaleEmotion regulation strategiesNegative life eventsProblem Gambling Severity IndexNon-problem gamblersLongitudinal dataRegulation ScaleRegulation strategiesLife eventsTraumatic eventsSelf-ReportProblem gamblersEmotionsGamblingStudy limitationsEffects of exposureLow difficultySeverity Index
2024
The impact of social media use on psychiatric symptoms and well-being of children and adolescents in the Post-COVID-19 era: a four-year longitudinal study
Shoshani A, Kor A, Bar S. The impact of social media use on psychiatric symptoms and well-being of children and adolescents in the Post-COVID-19 era: a four-year longitudinal study. European Child & Adolescent Psychiatry 2024, 33: 4013-4027. PMID: 38698136, DOI: 10.1007/s00787-024-02454-2.Peer-Reviewed Original ResearchPsychiatric symptomsSubjective well-beingSocial media useMental healthSocial supportWell-beingPositive emotionsMedia useMental health of childrenMental health outcomesLongitudinal studyAdolescents aged 8Social media usageHealth of childrenWell-being of childrenCOVID-19 pandemicMedia usageHealth outcomesExcessive social media useNegative emotionsTargeted interventionsLife satisfactionIsraeli childrenMixed-effects modelsAged 8
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