2024
Post-treatment alterations in white matter integrity in PTSD: Effects on symptoms and functional connectivity a secondary analysis of an RCT
Korem N, Duek O, Ben-Zion Z, Spiller T, Gordon C, Amen S, Levy I, Harpaz-Rotem I. Post-treatment alterations in white matter integrity in PTSD: Effects on symptoms and functional connectivity a secondary analysis of an RCT. Psychiatry Research Neuroimaging 2024, 343: 111864. PMID: 39111111, DOI: 10.1016/j.pscychresns.2024.111864.Peer-Reviewed Original ResearchReduced resting-state functional connectivityPost-traumatic stress disorderPost-traumatic stress disorder symptomsFunctional connectivityPost-treatment changesReducing PTSD symptom severityFollow-up changesResting-state functional connectivityIntensive exposure therapyExposure-based psychotherapyVentromedial prefrontal cortexPTSD symptom severityReduced structural connectivityFunctional connectivity patternsPost-treatmentWhite matter integrityPrefrontal cortexExposure therapyPTSD symptomsStress disorderSymptom severityUncinate fasciculusLimbic systemSecondary analysisAssociated with sustained changes
2023
Neural valuation of rewards and punishments in posttraumatic stress disorder: a computational approach
Jia R, Ruderman L, Pietrzak R, Gordon C, Ehrlich D, Horvath M, Mirchandani S, DeFontes C, Southwick S, Krystal J, Harpaz-Rotem I, Levy I. Neural valuation of rewards and punishments in posttraumatic stress disorder: a computational approach. Translational Psychiatry 2023, 13: 101. PMID: 36977676, PMCID: PMC10050320, DOI: 10.1038/s41398-023-02388-4.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderValuation systemStress disorderCombat veteransMaintenance of PTSDSubjective valueBrain valuation systemNeural valuation systemVentromedial prefrontal cortexFunctional MRI studyFunction of symptomsMale combat veteransNeural valuationSeries of choicesFear learningPunishment processingPosttrauma symptomsPTSD symptomsNeural encodingNeural mechanismsUncertain optionsPrefrontal cortexSubjective valuationVentral striatumMonetary gains