2023
An exploration of neural predictors of treatment compliance in cognitive-behavioral group therapy for hoarding disorder
Worden B, Tolin D, Stevens M. An exploration of neural predictors of treatment compliance in cognitive-behavioral group therapy for hoarding disorder. Journal Of Affective Disorders 2023, 345: 410-418. PMID: 38706461, PMCID: PMC11068362, DOI: 10.1016/j.jad.2023.10.148.Peer-Reviewed Original ResearchCognitive behavioral therapyBrain activityEffective cognitive behavioral therapyCognitive-behavioral group therapyTreatment attendanceBrain dysfunctionFunctional magnetic resonanceDiscarding taskExecutive functioningAbnormal brain activityNeural predictorsHomework completionGroup therapyTreatment engagementHD patientsTreatment complianceHD treatmentPremotor areasActivity abnormalitiesPatient's abilityBrain regionsTherapeutic benefitTreatment retentionRegion activityPrior researchAn exploration of neural predictors of treatment compliance in cognitive-behavioral group therapy for hoarding disorder.
Worden B, Tolin D, Stevens M. An exploration of neural predictors of treatment compliance in cognitive-behavioral group therapy for hoarding disorder. Journal Of Affective Disorders 2023 PMID: 39492520, DOI: 10.1016/j.jad.2023.10.148.Peer-Reviewed Original ResearchCognitive-behavioral therapyHoarding disorderBrain activityTreatment attendanceBrain dysfunctionCognitive-behavioral group therapyEffective cognitive-behavioral therapyAssociated with treatment attendanceFunctional magnetic resonanceAbnormal brain activityExecutive functionGroup therapyHomework completionTreatment retentionTreatment engagementBrain regionsActivation abnormalitiesRegional activityPremotor areasTreatment complianceInsulaCompliance variablesBrainPatient's abilityDisorders
2016
Neurofunctional Reward Processing Changes in Cocaine Dependence During Recovery
Balodis IM, Kober H, Worhunsky PD, Stevens MC, Pearlson GD, Carroll KM, Potenza MN. Neurofunctional Reward Processing Changes in Cocaine Dependence During Recovery. Neuropsychopharmacology 2016, 41: 2112-2121. PMID: 26792441, PMCID: PMC4908642, DOI: 10.1038/npp.2016.11.Peer-Reviewed Original ResearchConceptsLeft inferior frontal gyrus activityCD participantsNegative urine screensReward/loss processingHealthy control participantsReward processingMeaningful outcome indicatorsDopamine-innervated regionsFunctional magnetic resonanceInferior frontal gyrus activityCD outpatientsTest-retest resultsPrefrontal cortex activityVentromedial prefrontal cortex activityUrine screensNeurofunctional alterationsVentral striatal activityCD groupNeurofunctional changesLong-term recoveryDrug useNeurobiological changesCocaine abstinenceCocaine dependenceStriatal activity
2013
Robust Changes in Reward Circuitry During Reward Loss in Current and Former Cocaine Users During Performance of a Monetary Incentive Delay Task
Patel KT, Stevens MC, Meda SA, Muska C, Thomas AD, Potenza MN, Pearlson GD. Robust Changes in Reward Circuitry During Reward Loss in Current and Former Cocaine Users During Performance of a Monetary Incentive Delay Task. Biological Psychiatry 2013, 74: 529-537. PMID: 23778289, PMCID: PMC3775945, DOI: 10.1016/j.biopsych.2013.04.029.Peer-Reviewed Original ResearchConceptsMonetary incentive delay taskVentral tegmental areaHealthy subjectsFormer cocaine usersLoss anticipationIncentive delay taskCocaine usersTegmental areaLoss outcomesCurrent cocaine usersDrug useAbnormal brain activation patternsCocaine addictionCurrent usersActivation patternsCocaine-using groupDelay taskLong-term cocaine abstinenceFunctional magnetic resonanceSubstance-induced alterationsBrain activation patternsCircuit abnormalitiesAnterior cingulate activationControl subjectsRisk factorsIs Aberrant Functional Connectivity A Psychosis Endophenotype? A Resting State Functional Magnetic Resonance Imaging Study
Khadka S, Meda SA, Stevens MC, Glahn DC, Calhoun VD, Sweeney JA, Tamminga CA, Keshavan MS, O’Neil K, Schretlen D, Pearlson GD. Is Aberrant Functional Connectivity A Psychosis Endophenotype? A Resting State Functional Magnetic Resonance Imaging Study. Biological Psychiatry 2013, 74: 458-466. PMID: 23746539, PMCID: PMC3752322, DOI: 10.1016/j.biopsych.2013.04.024.Peer-Reviewed Original ResearchConceptsPsychotic bipolar probandsNegative Syndrome Scale (PANSS) negative scoresState functional magnetic resonance imaging studyFunctional connectivityState functional magnetic resonanceBipolar disorder shareBrain connectivity abnormalitiesPosterior default mode networkSchizophrenia probandsMagnetic resonance imaging studyRespective first-degree relativesAberrant functional connectivityBipolar probandsFirst-degree relativesGroup differencesPsychosis endophenotypesNegative Syndrome ScaleResonance imaging studyFunctional magnetic resonance imaging studyDefault mode networkFunctional magnetic resonanceFunctional connectivity measures
2012
Reduced Functional Connectivity of Prefrontal Regions and Amygdala Within Affect and Working Memory Networks in Pediatric Bipolar Disorder
Passarotti AM, Ellis J, Wegbreit E, Stevens MC, Pavuluri MN. Reduced Functional Connectivity of Prefrontal Regions and Amygdala Within Affect and Working Memory Networks in Pediatric Bipolar Disorder. Brain Connectivity 2012, 2: 320-334. PMID: 23035965, PMCID: PMC3621331, DOI: 10.1089/brain.2012.0089.Peer-Reviewed Original ResearchConceptsVentrolateral prefrontal cortexPediatric bipolar disorderRight ventrolateral prefrontal cortexWorking Memory NetworkFunctional connectivityMemory taskDorsolateral PFCBrain networksRight amygdalaMemory networkEmotion processing regionsEmotion regulation regionsDifferential functional connectivityFunctional magnetic resonanceBilateral temporal regionsConnected brain networksRegulation regionRegional functional connectivityNeutral facesEmotion processingCognitive processesEmotion evaluationPrefrontal regionsProcessing regionsBipolar disorderExposure therapy, D-cycloserine, and functional magnetic resonance imaging in patients with snake phobia: a randomized pilot study.
Nave AM, Tolin DF, Stevens MC. Exposure therapy, D-cycloserine, and functional magnetic resonance imaging in patients with snake phobia: a randomized pilot study. The Journal Of Clinical Psychiatry 2012, 73: 1179-86. PMID: 23059145, DOI: 10.4088/jcp.11m07564.Peer-Reviewed Original ResearchConceptsExposure therapyD-cycloserinePhobic stimuliSnake phobiaFunctional magnetic resonance imaging (fMRI) taskRight dorsolateral prefrontal cortexPrefrontal brain activationPrefrontal cortex responsesD-cycloserine augmentationAnterior cingulate activationFunctional magnetic resonanceDorsolateral prefrontal cortexHuman brain functionDifferent neural pathwaysFear extinctionSnake stimuliExposure hierarchyNeural substratesBrain activationCingulate activationNeural responsesEmotional learningPrefrontal cortexCortex responsesPerigenual cingulateNeural Mechanisms of Decision Making in Hoarding Disorder
Tolin DF, Stevens MC, Villavicencio AL, Norberg MM, Calhoun VD, Frost RO, Steketee G, Rauch SL, Pearlson GD. Neural Mechanisms of Decision Making in Hoarding Disorder. JAMA Psychiatry 2012, 69: 832-841. PMID: 22868937, PMCID: PMC3506167, DOI: 10.1001/archgenpsychiatry.2011.1980.Peer-Reviewed Original ResearchMeSH KeywordsAdultBrain MappingCerebral CortexDecision MakingDiagnostic and Statistical Manual of Mental DisordersEvoked PotentialsExpressed EmotionFemaleGyrus CinguliHoarding DisorderHospitals, VoluntaryHumansMagnetic Resonance ImagingMaleMiddle AgedNeural PathwaysObsessive BehaviorSickness Impact ProfileConceptsHealthy control subjectsObsessive-compulsive disorderAnterior cingulate cortexNeural mechanismsCingulate cortexBrain regionsNeural activityAppropriate emotional responsesFrontal brain regionsFunctional magnetic resonance imaging (fMRI) signalsPrevious neuroimaging studiesUnique diagnostic entityFunctional magnetic resonanceMagnetic resonance imaging signalsControl subjectsImpaired decisionInsula functionEmotional significanceAffective statesDepressive symptomsHoarding DisorderEmotional responsesNeuroimaging studiesPatientsPoor insightDifferences in Resting-State Functional Magnetic Resonance Imaging Functional Network Connectivity Between Schizophrenia and Psychotic Bipolar Probands and Their Unaffected First-Degree Relatives
Meda SA, Gill A, Stevens MC, Lorenzoni RP, Glahn DC, Calhoun VD, Sweeney JA, Tamminga CA, Keshavan MS, Thaker G, Pearlson GD. Differences in Resting-State Functional Magnetic Resonance Imaging Functional Network Connectivity Between Schizophrenia and Psychotic Bipolar Probands and Their Unaffected First-Degree Relatives. Biological Psychiatry 2012, 71: 881-889. PMID: 22401986, PMCID: PMC3968680, DOI: 10.1016/j.biopsych.2012.01.025.Peer-Reviewed Original ResearchConceptsUnaffected first-degree relativesFirst-degree relativesPsychotic bipolar probandsBipolar probandsNegative Syndrome Scale (PANSS) scoresBipolar disorder shareFunctional brain dysconnectivityIndividual resting-state networksFunctional network connectivity analysisPANSS negative scoresResting-state networksFunctional network connectivityFunctional magnetic resonanceControl subjectsBrain dysconnectivityDisorder sharesHealthy subjectsBipolar relativesParalimbic circuitsScale scoreConnectivity differencesClinical relationshipSchizophreniaAbnormal pairsProbands
2011
An Initial Study of Neural Responses to Monetary Incentives as Related to Treatment Outcome in Cocaine Dependence
Jia Z, Worhunsky PD, Carroll KM, Rounsaville BJ, Stevens MC, Pearlson GD, Potenza MN. An Initial Study of Neural Responses to Monetary Incentives as Related to Treatment Outcome in Cocaine Dependence. Biological Psychiatry 2011, 70: 553-560. PMID: 21704307, PMCID: PMC3162064, DOI: 10.1016/j.biopsych.2011.05.008.Peer-Reviewed Original ResearchConceptsRight ventral striatumVentral striatumCocaine dependenceRight insulaMonetary incentive delay taskRight caudateReward-based decisionIncentive delay taskTreatment retentionFunctional magnetic resonanceCD participantsMedial frontal gyrusRight thalamusUrine toxicologyTreatment outcomesReward anticipationReward processingDelay taskTask performanceFrontal gyrusGreater activationNeural responsesRewarding outcomesRight subcallosal gyrusMonetary rewards
2010
Individuals Family History Positive for Alcoholism Show Functional Magnetic Resonance Imaging Differences in Reward Sensitivity That Are Related to Impulsivity Factors
Andrews MM, Meda SA, Thomas AD, Potenza MN, Krystal JH, Worhunsky P, Stevens MC, O'Malley S, Book GA, Reynolds B, Pearlson GD. Individuals Family History Positive for Alcoholism Show Functional Magnetic Resonance Imaging Differences in Reward Sensitivity That Are Related to Impulsivity Factors. Biological Psychiatry 2010, 69: 675-683. PMID: 21126735, PMCID: PMC3677031, DOI: 10.1016/j.biopsych.2010.09.049.Peer-Reviewed Original ResearchConceptsMonetary incentive delay taskIncentive delay taskNAcc activationReward anticipationDelay taskFamily history-positive individualsAbnormal reward processingRegional brain activationNucleus accumbens activationFunctional magnetic resonanceReward system activitySubstance-abusing individualsReward prospectReward sensitivityNeural correlatesImpulsivity constructsSubstance abuse historyImpulsivity factorsReward processingBehavioral impulsivityAtypical activationBrain activationOutcome phaseBiological predispositionTask phases