2025
Moderate stability of risk and ambiguity attitudes across quantitative and qualitative decisions
Dan O, Xu C, Jia R, Wertheimer E, Chawla M, Fuhrmann Alpert G, Fried T, Levy I. Moderate stability of risk and ambiguity attitudes across quantitative and qualitative decisions. Scientific Reports 2025, 15: 3119. PMID: 39856239, PMCID: PMC11760528, DOI: 10.1038/s41598-025-87644-x.Peer-Reviewed Original ResearchConceptsHypothetical monetary gainsMonetary lotteriesUncertainty attitudesAmbiguity attitudesBinary choiceIndividual preferencesLow outcomesDecision-makingMonetary gainsOutcome magnitudeDecision-making taskSuccess chancesStabilization of riskDecisionUncertaintyChoiceLotteryModerate stabilityEveryday choicesAttitude consistencyQualitative decisionsQualitative outcomesLevel of improvementPreferences
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
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