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
2017
Unbending mind: Individuals with hoarding disorder do not modify decision strategy in response to feedback under risk
Pushkarskaya H, Tolin DF, Henick D, Levy I, Pittenger C. Unbending mind: Individuals with hoarding disorder do not modify decision strategy in response to feedback under risk. Psychiatry Research 2017, 259: 506-513. PMID: 29154203, PMCID: PMC5742085, DOI: 10.1016/j.psychres.2017.11.001.Peer-Reviewed Original ResearchConceptsDecision strategiesCognitive-behavioral modelAdditional cognitive costsDifferent decision strategiesReal-world decisionsCognitive costDecision-making patternsBehavioral tasksDeliberative strategiesInformation processingDecision styleHealthy individualsNovel environmentTaskNovel hypothesisIndividualsKnown probabilitiesPrior literatureHealthy controlsDisordersSymptomologyFeedbackStyleImpairmentProcessingValue-based decision making under uncertainty in hoarding and obsessive- compulsive disorders
Pushkarskaya H, Tolin D, Ruderman L, Henick D, Kelly JM, Pittenger C, Levy I. Value-based decision making under uncertainty in hoarding and obsessive- compulsive disorders. Psychiatry Research 2017, 258: 305-315. PMID: 28864119, PMCID: PMC5741294, DOI: 10.1016/j.psychres.2017.08.058.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderValue-based decisionDecision-making impairmentsComorbid obsessive-compulsive disorderPerformance of individualsBehavioral economic theoryCore impairmentsUncertainty intoleranceLaboratory tasksCore symptomologyDecision-making patternsChoice taskDifferent underpinningsDecision makingTaskIndividualsDifferent aspectsInefficient planningImpairmentDisordersReduced fidelityDifficultiesSymptomologyDecisionsUnderpinnings