2024
Changes in hoarding-related beliefs and associated neural changes during a simulated discarding task after cognitive-behavioral treatment for hoarding disorder
Knowles K, Stevens M, Levy H, Tolin D. Changes in hoarding-related beliefs and associated neural changes during a simulated discarding task after cognitive-behavioral treatment for hoarding disorder. Journal Of Psychiatric Research 2024, 180: 473-481. PMID: 39547046, PMCID: PMC11606758, DOI: 10.1016/j.jpsychires.2024.11.017.Peer-Reviewed Original ResearchCognitive-behavioral therapyHoarding-related beliefsFunctional magnetic resonance imagingHoarding disorderNeural activityMaladaptive beliefsCourse of CBTGroup cognitive-behavioral therapyLeft anterior cingulate cortexLeft middle frontal gyrusAssociated with cognitive changesCognitive-behavioral treatmentAssociated with increased activityAnterior ventral insulaAnterior cingulate cortexMiddle frontal gyrusInferior temporal lobeLeft middle insulaCognitive-behavioralAssociated with specific changesFrontal gyrusCingulate cortexMiddle insulaNeural regionsVentral insula
2023
Changes in Neural Activity Following a Randomized Trial of Cognitive Behavioral Therapy for Hoarding Disorder
Tolin D, Levy H, Hallion L, Wootton B, Jaccard J, Diefenbach G, Stevens M. Changes in Neural Activity Following a Randomized Trial of Cognitive Behavioral Therapy for Hoarding Disorder. Journal Of Consulting And Clinical Psychology 2023, 91: 242-250. PMID: 36877480, PMCID: PMC10175200, DOI: 10.1037/ccp0000804.Peer-Reviewed Original ResearchConceptsCognitive behavioral therapyMedial intraparietal areaDorsal anterior cingulate cortexIntraparietal areaHD patientsRostral cingulateDorsolateral prefrontalBehavioral therapyVentral insular cortexDACC activationAnterior intraparietal areaNeural activityGroup cognitive behavioral therapyAnterior cingulate cortexRight dorsolateral prefrontalFunctional magnetic resonance imagingMagnetic resonance imagingCaudal cingulateClinical trialsInsular cortexRight amygdalaTherapeutic benefitSymptom reductionCingulate cortexResonance imaging
2013
Hoarding disorder and obsessive–compulsive disorder show different patterns of neural activity during response inhibition
Tolin DF, Witt ST, Stevens MC. Hoarding disorder and obsessive–compulsive disorder show different patterns of neural activity during response inhibition. Psychiatry Research 2013, 221: 142-148. PMID: 24389161, PMCID: PMC3946244, DOI: 10.1016/j.pscychresns.2013.11.009.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderGo/NoGo taskFunctional magnetic resonance imagingOCD patientsHD patientsResponse inhibitionNoGo taskHealthy controlsGo/NoGo task performanceDistinct neural underpinningsRight orbitofrontal gyrusErrors of commissionNeural underpinningsOrbitofrontal activationTask performanceCorrect rejectsMagnetic resonance imagingHemodynamic activityFrontal hypoactivityNeural activityOrbitofrontal gyrusBehavioral dataHemodynamic responsePatientsPreliminary evidenceA pilot study linking reduced fronto–Striatal recruitment during reward processing to persistent bingeing following treatment for binge‐eating disorder
Balodis IM, Grilo CM, Kober H, Worhunsky PD, White MA, Stevens MC, Pearlson GD, Potenza MN. A pilot study linking reduced fronto–Striatal recruitment during reward processing to persistent bingeing following treatment for binge‐eating disorder. International Journal Of Eating Disorders 2013, 47: 376-384. PMID: 24729034, PMCID: PMC3986812, DOI: 10.1002/eat.22204.Peer-Reviewed Original ResearchConceptsBinge-eating disorderFunctional magnetic resonance imagingReward processingMonetary incentive delay taskInferior frontal gyrusIncentive delay taskBinge-eating statusMedial prefrontal cortexBrain reward circuitryNeural correlatesDelay taskSpecific brain regionsFrontal gyrusNeurobiological underpinningsOutcome phasePrefrontal cortexReward circuitryVentral striatumAnticipatory phaseBrain regionsTreatment outcomesDiminished recruitmentProcessingMagnetic resonance imagingIndividualsfMRI response during figural memory task performance in college drinkers
Dager AD, Jamadar S, Stevens MC, Rosen R, Jiantonio-Kelly RE, Sisante JF, Raskin SA, Tennen H, Austad CS, Wood RM, Fallahi CR, Pearlson GD. fMRI response during figural memory task performance in college drinkers. Psychopharmacology 2013, 231: 167-179. PMID: 23949205, PMCID: PMC3877735, DOI: 10.1007/s00213-013-3219-1.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAlcohol DrinkingAlcoholismBrain MappingData Interpretation, StatisticalFemaleFrontal LobeHippocampusHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMemoryOxygenParietal LobePsychomotor PerformanceReaction TimeRecognition, PsychologyVisual PerceptionYoung AdultConceptsFunctional magnetic resonance imagingAlcohol use disorderBOLD responseBilateral posterior parietal cortexMemory task performanceHeavy-drinking college studentsInferior frontal activationRight dorsolateral prefrontalCorrect encodingWorse memory performanceDefault mode regionsIncorrect encodingAlcohol-related impairmentMemory-related areasHeavy drinkersGreater BOLD responseLight drinkersPosterior parietal cortexBlood oxygen level-dependent functional magnetic resonance imagingQuantity/frequencyLevel-dependent functional magnetic resonance imagingInsula responseNeural correlatesFigural memoryFrontal activationMonetary Reward Processing in Obese Individuals With and Without Binge Eating Disorder
Balodis IM, Kober H, Worhunsky PD, White MA, Stevens MC, Pearlson GD, Sinha R, Grilo CM, Potenza MN. Monetary Reward Processing in Obese Individuals With and Without Binge Eating Disorder. Biological Psychiatry 2013, 73: 877-886. PMID: 23462319, PMCID: PMC3686098, DOI: 10.1016/j.biopsych.2013.01.014.Peer-Reviewed Original ResearchConceptsReward/loss processingReward processingLoss processingVentromedial prefrontal cortex activityFunctional magnetic resonance imagingMonetary reward processingPrefrontal cortex activityBinge Eating DisorderVentral striatal activityNeural differencesNeural correlatesLoss taskLoss prospectsNeurobiological underpinningsCortex activityEating DisordersRegional activationVentral striatumBED groupAnticipatory phaseStriatal activityProcessingIndividualsOB groupObese individuals
2011
The Effects of Stimulant Medication on Working Memory Functional Connectivity in Attention-Deficit/Hyperactivity Disorder
Wong CG, Stevens MC. The Effects of Stimulant Medication on Working Memory Functional Connectivity in Attention-Deficit/Hyperactivity Disorder. Biological Psychiatry 2011, 71: 458-466. PMID: 22209640, PMCID: PMC4120250, DOI: 10.1016/j.biopsych.2011.11.011.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderFunctional magnetic resonance imagingFunctional connectivityFMRI taskHyperactivity disorderStimulant medicationNetwork engagementMemory fMRI taskFrontoparietal brain networksBrain regionsFrontoparietal brain regionsConnectivity changesMemory reaction timeVentrolateral prefrontal cortexAdditional brain regionsGroup independent component analysisMedication-related changesFunctional connectivity analysisRegional functional connectivityFunctional connectivity changesMemory performanceRepeated-measures t-testBrain activationIndependent component analysisRetrieval phase
2010
Brain Connectivity Is Not Only Lower but Different in Schizophrenia: A Combined Anatomical and Functional Approach
Skudlarski P, Jagannathan K, Anderson K, Stevens MC, Calhoun VD, Skudlarska BA, Pearlson G. Brain Connectivity Is Not Only Lower but Different in Schizophrenia: A Combined Anatomical and Functional Approach. Biological Psychiatry 2010, 68: 61-69. PMID: 20497901, PMCID: PMC2900394, DOI: 10.1016/j.biopsych.2010.03.035.Peer-Reviewed Original ResearchConceptsBrain connectivityFunctional connectivitySchizophrenia patientsAnatomical connectivityState functional magnetic resonance imagingFunctional connectivity alterationsHealthy control subjectsClinical symptom severityGroup differencesAnatomical connectivity mapsFunctional magnetic resonance imagingMagnetic resonance imagingPosterior cingulate cortexGlobal connectivity analysisClinical symptomsWhite matter anatomyControl subjectsConnectivity alterationsCingulate cortexPatientsResonance imagingBrain regionsSymptom severityDMN componentsTask-positive network
2007
An fMRI Auditory Oddball Study of Combined-Subtype Attention Deficit Hyperactivity Disorder
Stevens MC, Pearlson GD, Kiehl KA. An fMRI Auditory Oddball Study of Combined-Subtype Attention Deficit Hyperactivity Disorder. American Journal Of Psychiatry 2007, 164: 1737-1749. PMID: 17974940, DOI: 10.1176/appi.ajp.2007.06050876.Peer-Reviewed Original ResearchMeSH KeywordsAcoustic StimulationAdolescentAdolescent BehaviorAttentionAttention Deficit Disorder with HyperactivityAuditory PerceptionBrainBrain MappingCerebral CortexChildCognition DisordersDiagnostic and Statistical Manual of Mental DisordersEvoked PotentialsHemodynamicsHumansMagnetic Resonance ImagingMaleMemory DisordersOrientationOxygenPsychiatric Status Rating ScalesPsychomotor PerformanceConceptsAttention deficit hyperactivity disorderEvent-related potentialsFunctional magnetic resonance imagingDeficit hyperactivity disorderBrain regionsHyperactivity disorderHemodynamic activityThree-stimulus auditory oddball taskP3 event-related potentialEvent-related fMRI dataProcessing of targetsAbnormal hemodynamic activityWorking Memory DeficitsSlower task performanceAuditory oddball taskNovel environmental stimuliCortical brain regionsAttentional orientingOrient attentionADHD participantsCognitive processesCognitive representationsOddball studiesNeurobiological theoriesOddball stimuli
2006
Hippocampus Function Predicts Severity of Post-Traumatic Stress Disorder
Astur RS, St. Germain SA, Tolin D, Ford J, Russell D, Stevens M. Hippocampus Function Predicts Severity of Post-Traumatic Stress Disorder. Cyberpsychology Behavior And Social Networking 2006, 9: 234-240. PMID: 16640486, DOI: 10.1089/cpb.2006.9.234.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderVirtual Morris water taskFunctional magnetic resonance imagingMorris water taskPTSD severityStress disorderHippocampal activityWater taskSevere PTSD symptomsHippocampal-dependent tasksPTSD symptomsTask performanceMemory problemsHippocampal functionBrain structuresTaskAbnormal brain structureHippocampus functionAge-matched controlsMagnetic resonance imagingIQDisordersHippocampusTraumaResonance imaging
2005
fMRI in an oddball task: Effects of target‐to‐target interval
Stevens MC, Calhoun VD, Kiehl KA. fMRI in an oddball task: Effects of target‐to‐target interval. Psychophysiology 2005, 42: 636-642. PMID: 16364059, DOI: 10.1111/j.1469-8986.2005.00368.x.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingEvent-related potentialsTarget stimuliOddball taskTarget intervalTask-relevant target stimuliP3 event-related potentialBilateral lateral prefrontal cortexTask-relevant stimuliTemporal-parietal junctionLateral prefrontal cortexAuditory oddball taskMemory templateNovel stimuliPrefrontal cortexHemodynamic activityAnterior cingulateNeural systemsStimuliPositive relationshipLarge sampleHealthy adultsNeuronal modulationEffect of targetMagnetic resonance imagingLow-dose estradiol alters brain activity
Stevens MC, Clark VP, Prestwood KM. Low-dose estradiol alters brain activity. Psychiatry Research 2005, 139: 199-217. PMID: 16084069, DOI: 10.1016/j.pscychresns.2005.04.004.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingSustained attention taskAttention taskEvent-related functional magnetic resonance imagingThree-stimulus oddball taskTasks of learningAlters brain activityEstrogen replacement therapyCortical brain regionsOddball taskBehavioral performanceBrain activityPrefrontal cortexHemodynamic activityAnterior cingulateDose estrogen replacement therapyNeural activityParietal lobeBrain regionsBrain functionReplacement therapyTaskGroup participantsDouble-blind studyMotor cortex
2002
A Review of Adult ADHD: A Neuropsychological and Neuroimaging Perspective
Kaplan R, Stevens M. A Review of Adult ADHD: A Neuropsychological and Neuroimaging Perspective. CNS Spectrums 2002, 7: 355-362. PMID: 15122107, DOI: 10.1017/s1092852900017818.Peer-Reviewed Original ResearchAttention-deficit/hyperactivity disorderAdult attention-deficit/hyperactivity disorderPathophysiology of ADHDFunctional magnetic resonance imagingFrontal lobe functionNeuropsychological test performanceCore ADHD symptomsPsychiatric disordersSimilar psychiatric disordersNeuroimaging PerspectiveADHD symptomsLobe functionHyperactivity disorderNeuropsychological testsTest performanceNeuroimaging technologiesDevelopmental disordersMost theoriesUnitary disorderStatistical ManualMental disordersFourth EditionDisordersDopaminergic transmissionCurrent thinking