2025
MEMORY RELATED STRUCTURAL AND FUNCTIONAL NEURAL CHANGES FOLLOWING A SINGLE INFUSION OF KETAMINE IN PTSD
Harpaz-Rotem *, Duek O, Korem N, Krystal J. MEMORY RELATED STRUCTURAL AND FUNCTIONAL NEURAL CHANGES FOLLOWING A SINGLE INFUSION OF KETAMINE IN PTSD. The International Journal Of Neuropsychopharmacology 2025, 28: i38-i38. PMCID: PMC11814760, DOI: 10.1093/ijnp/pyae059.066.Peer-Reviewed Original ResearchPost-retrieval extinctionInfusion of ketamineIntravenous infusion of ketamineTrauma memoriesTraumatic memoriesFear responsesSs' responsesAssociated with decreased connectivityAmygdala-vmPFC connectivityTrauma-focused psychotherapyTreatment of PTSDNMDA receptor antagonistPre-post treatmentAmygdala activationLower amygdalaReconsolidation windowUncinate fasciculusAssessed before treatmentKetamine administrationMemory learningNaturalistic stimuliLabile stateAmygdalaPTSDExtinction process
2024
To Expose or Not to Expose: A Comprehensive Perspective on Treatment for Posttraumatic Stress Disorder
Rubenstein A, Duek O, Doran J, Harpaz-Rotem I. To Expose or Not to Expose: A Comprehensive Perspective on Treatment for Posttraumatic Stress Disorder. American Psychologist 2024, 79: 331-343. PMID: 38635195, PMCID: PMC11034887, DOI: 10.1037/amp0001121.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderTreating posttraumatic stress disorderNon-trauma-focused treatmentsExposure therapyStress disorderTreatment of posttraumatic stress disorderNon-trauma-focused therapiesPosttraumatic stress disorder diagnosisSelf-directed exposureTrauma-focused psychotherapyPsychotherapy factorsTrauma memoriesTrauma-focusedBehavioral paradigmsSymptom remissionHigh dropout ratesTherapy processTherapy contextProlonged exposurePsychotherapyDropout ratesIncreased patient autonomyResearch literatureDisordersClinical research
2023
Neural patterns differentiate traumatic from sad autobiographical memories in PTSD
Perl O, Duek O, Kulkarni K, Gordon C, Krystal J, Levy I, Harpaz-Rotem I, Schiller D. Neural patterns differentiate traumatic from sad autobiographical memories in PTSD. Nature Neuroscience 2023, 26: 2226-2236. PMID: 38036701, DOI: 10.1038/s41593-023-01483-5.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderTraumatic memoriesAutobiographical memoryNeural patternsIntersubject representational similarity analysisSimilar neural representationsRepresentational similarity analysisPosterior cingulate cortexTrauma memoriesMnemonic featuresNegative memoriesMultivoxel patternsNeural representationCognitive stateHippocampal representationsCognitive entitiesStress disorderCingulate cortexNeural activityTraumatic narrativesIndividual symptom severitySemantic representationMemory typesOwn memoryMemoryLong term structural and functional neural changes following a single infusion of Ketamine in PTSD
Duek O, Korem N, Li Y, Kelmendi B, Amen S, Gordon C, Milne M, Krystal J, Levy I, Harpaz-Rotem I. Long term structural and functional neural changes following a single infusion of Ketamine in PTSD. Neuropsychopharmacology 2023, 48: 1648-1658. PMID: 37270621, PMCID: PMC10517133, DOI: 10.1038/s41386-023-01606-3.Peer-Reviewed Original ResearchConceptsKetamine recipientsSingle infusionMain study outcomeTiming of administrationEnd of treatmentNMDA receptor antagonistFunctional neural changesFrequency of administrationSignificant clinical implicationsTrauma-focused psychotherapyBrief exposure therapyAmygdala-vmPFC connectivityPost-retrieval extinctionKetamine doseKetamine administrationReceptor antagonistTrauma scriptsNeural changesClinical implicationsDecreased connectivityExposure therapyKetamineTrauma memoriesStudy outcomesUncinate fasciculus
This site is protected by hCaptcha and its Privacy Policy and Terms of Service apply