2021
The Reward System and Post-Traumatic Stress Disorder: Does Trauma Affect the Way We Interact With Positive Stimuli?
Seidemann R, Duek O, Jia R, Levy I, Harpaz-Rotem I. The Reward System and Post-Traumatic Stress Disorder: Does Trauma Affect the Way We Interact With Positive Stimuli? Chronic Stress 2021, 5: 2470547021996006. PMID: 33718742, PMCID: PMC7917421, DOI: 10.1177/2470547021996006.Peer-Reviewed Original ResearchPost-traumatic stress disorderStress disorderReward systemSelf-reported dataFear learningPositive stimuliMajority of researchImportant constructDisordersPrevalent disorderCurrent reviewComplex relationshipTraumaAnhedoniaFearFunctioningStimuliEthologyResearchLearningRelationshipConstructsPossible hindranceSufficient insightClinical observations
2018
Contrasting contributions of anhedonia to obsessive-compulsive, hoarding, and post-traumatic stress disorders
Pushkarskaya H, Sobowale K, Henick D, Tolin DF, Anticevic A, Pearlson GD, Levy I, Harpaz-Rotem I, Pittenger C. Contrasting contributions of anhedonia to obsessive-compulsive, hoarding, and post-traumatic stress disorders. Journal Of Psychiatric Research 2018, 109: 202-213. PMID: 30572276, PMCID: PMC8549853, DOI: 10.1016/j.jpsychires.2018.11.029.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderObsessive-compulsive disorderValue-based choiceGambling TaskStress disorderSelf-reported risk takingBehavior-based measuresRisk perceptionAspects of anhedoniaRole of anhedoniaEffect of anhedoniaRisk-taking propensitySymptoms of depressionTransdiagnostic constructCompulsive disorderBehavioral outcomesGeneral depressionIndex of difficultyAnhedoniaRisk takingUnique contributionIndividual risk aversionPsychotic disordersPerceptionTask