2018
Validation of a Behavioral Measure of Acquiring and Discarding in Hoarding Disorder
Levy HC, Stevens MC, Tolin DF. Validation of a Behavioral Measure of Acquiring and Discarding in Hoarding Disorder. Journal Of Psychopathology And Behavioral Assessment 2018, 41: 135-143. PMID: 31105379, PMCID: PMC6516472, DOI: 10.1007/s10862-018-9701-7.Peer-Reviewed Original ResearchCognitive behavioral therapyHealthy control participantsBehavioral measuresHD symptomsLonger response timesHoarding DisorderTreatment completersComputer taskEvidence-based assessmentControl participantsConvergent validityCore featuresResponse timeBehavioral assessmentSimulated decisionsMore itemsTreatment-related changesTaskHC groupReaction timeSex-matched healthy control participantsCurrent studySubset of patientsItemsDisordersHoarding disorder and difficulties in emotion regulation
Tolin DF, Levy HC, Wootton BM, Hallion LS, Stevens MC. Hoarding disorder and difficulties in emotion regulation. Journal Of Obsessive-Compulsive And Related Disorders 2018, 16: 98-103. PMID: 30828541, PMCID: PMC6391883, DOI: 10.1016/j.jocrd.2018.01.006.Peer-Reviewed Original ResearchEmotion regulationSelf-reported deficitsGender-matched healthy control participantsGoal-directed cognitionSelf-report measuresHealthy control participantsDERS subscalesEmotional clarityER deficitsEmotional responsesControl participantsDERSAnxietyHC groupBaseline depressionDeficitsHD groupDepressionDiagnostic assessmentParticipantsAdult outpatientsDifficultiesCognitionDisordersHigh levels
2015
A preliminary study of the effects of working memory training on brain function
Stevens MC, Gaynor A, Bessette KL, Pearlson GD. A preliminary study of the effects of working memory training on brain function. Brain Imaging And Behavior 2015, 10: 387-407. PMID: 26138580, PMCID: PMC4698365, DOI: 10.1007/s11682-015-9416-2.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderWM trainingMemory trainingBrain regionsDifferent neural correlatesBrain functionADHD symptom severityTraining-related changesTemporal lobe regionsDifferent symptom typesWM abilityExecutive processingWM performanceFMRI taskFrontoparietal circuitsNeural correlatesBrain activationHyperactivity disorderNeuropsychological testsNeural changesBrain activityTask phasesLobe regionsActivation gainControl participants
2013
Functional Brain Networks Associated With Cognitive Control, Cocaine Dependence, and Treatment Outcome
Worhunsky PD, Stevens MC, Carroll KM, Rounsaville BJ, Calhoun VD, Pearlson GD, Potenza MN. Functional Brain Networks Associated With Cognitive Control, Cocaine Dependence, and Treatment Outcome. Psychology Of Addictive Behaviors 2013, 27: 477-488. PMID: 22775772, PMCID: PMC3743442, DOI: 10.1037/a0029092.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnalysis of VarianceBehavior, AddictiveCase-Control StudiesCerebral CortexCocaine-Related DisordersCognitive Behavioral TherapyData Interpretation, StatisticalExecutive FunctionFemaleFunctional NeuroimagingHumansLimbic SystemLinear ModelsMagnetic Resonance ImagingMaleMotivationNerve NetOxygenPrincipal Component AnalysisPsychomotor PerformanceStroop TestTreatment OutcomeConceptsCognitive controlCocaine dependencePoor cognitive controlCognitive control processesFunctional networksTreatment retentionDistinct functional networksIndependent component analysisFunctional brain networksConflict monitoringStroop taskTreatment outcome measuresMotivational processingCocaine-dependent patientsPrefrontal networkBrain networksSubcortical networksFunctional connectivityControl participantsFMRI dataRegional activationReduced involvementCortical networksTreatment developmentControl process