2022
Acute cannabis-related alterations in an fMRI time estimation task
Patel K, Stevens M, Adhikari S, Book G, Mubeen M, Pearlson G. Acute cannabis-related alterations in an fMRI time estimation task. 2022 DOI: 10.26828/cannabis.2022.02.000.26.Peer-Reviewed Original ResearchMedial temporal cortexPosterior cingulate cortexSomatosensory motor cortexPremotor cortexMotor cortexTemporal cortexMedial prefrontal cortexCingulate cortexFrontal cortexLong-duration stimuliAnterior cingulateInferior frontal cortexVisual cortexBrain activation differencesMultiple comparison correctionPlacebo conditionActivation differencesDuration stimuliPrefrontal cortexVisual areasOccipital junctionDose-related mannerMid-cingulate cortexSignificant activation differencesPopular recreational drug
2013
A 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 imagingIndividualsProlonged hemodynamic response during incidental facial emotion processing in inter-episode bipolar I disorder
Rosenfeld ES, Pearlson GD, Sweeney JA, Tamminga CA, Keshavan MS, Nonterah C, Stevens MC. Prolonged hemodynamic response during incidental facial emotion processing in inter-episode bipolar I disorder. Brain Imaging And Behavior 2013, 8: 73-86. PMID: 23975275, PMCID: PMC3944373, DOI: 10.1007/s11682-013-9246-z.Peer-Reviewed Original ResearchConceptsFMRI studyDorsolateral prefrontal cortex responsesAutomatic emotion regulationAffectively salient stimuliFacial emotion processingGender discrimination taskBrain regionsRemitted bipolar disorderPrefrontal cortex responsesResidual mood symptomsPrefrontal cortex regionsDiagnostic group differencesVentromedial prefrontal cortex regionsCortex brain regionsAngry expressionsEmotion regulationEmotion processingEmotional processingBrain activationTask performanceHemodynamic responseEmotional reactionsBipolar disorderBipolar IPrefrontal cortexTime course of recovery showing initial prefrontal cortex changes at 16 weeks, extending to subcortical changes by 3 years in pediatric bipolar disorder
Yang H, Lu LH, Wu M, Stevens M, Wegbreit E, Fitzgerald J, Levitan B, Shankman S, Pavuluri MN. Time course of recovery showing initial prefrontal cortex changes at 16 weeks, extending to subcortical changes by 3 years in pediatric bipolar disorder. Journal Of Affective Disorders 2013, 150: 571-577. PMID: 23517886, PMCID: PMC3745513, DOI: 10.1016/j.jad.2013.02.007.Peer-Reviewed Original ResearchConceptsDorsal lateral prefrontal cortexPediatric bipolar disorderVentral lateral prefrontal cortexAnterior cingulate cortexHealthy controlsBipolar disorderLateral prefrontal cortexCortical regionsPrefrontal cortexRight dorsal lateral prefrontal cortexBilateral anterior cingulate cortexVentral cortical regionsFronto-limbic circuitsGreater activationPrefrontal cortex changesPresent findingsProlonged lengthMedication algorithmSubcortical changesUnmedicated patientsFronto-striatalPharmacological interventionsPBD groupSubcortical activityCingulate cortexThe role of top-down control in different phases of a sensorimotor timing task: a DCM study of adults and adolescents
Witt ST, Stevens MC. The role of top-down control in different phases of a sensorimotor timing task: a DCM study of adults and adolescents. Brain Imaging And Behavior 2013, 7: 260-273. PMID: 23475755, PMCID: PMC3743949, DOI: 10.1007/s11682-013-9224-5.Peer-Reviewed Original ResearchConceptsPrefrontal cortexLow-level sensorySignificant maturational effectsVentrolateral prefrontal cortexDynamic causal modelingInternal clock mechanismFinger-tapping taskCognitive controlSensorimotor timingBehavioral accuracyAuditory cuesTiming taskFMRI studyBaseline connectivitySensory regionsCognitive functionDCM studySensory stimuliCausal modelingAuditory cortexMotor regionsCuesBrain regionsAccurate performanceMotor control
2012
RETRACTED: Where, when, how high, and how long? The hemodynamics of emotional response in psychotropic-naïve patients with adolescent bipolar disorder.
Wegbreit E, Passarotti AM, Ellis JA, Wu M, Witowski N, Fitzgerald JM, Stevens MC, Pavuluri MN. RETRACTED: Where, when, how high, and how long? The hemodynamics of emotional response in psychotropic-naïve patients with adolescent bipolar disorder. Journal Of Affective Disorders 2012, 147: 304-311. PMID: 23261134, PMCID: PMC3606663, DOI: 10.1016/j.jad.2012.11.025.Peer-Reviewed Original ResearchConceptsFearful facesPrefrontal cortexNeutral facesRight dorsolateral prefrontal cortexEmotion-attention interactionsEnhanced neural processingVentrolateral prefrontal cortexEmotional processing regionsDorsolateral prefrontal cortexAdolescent bipolar disorderProbe taskEmotional facesPrefrontal activityNeural processingSpaced stimuliABD groupEmotional responsesProcessing regionsBilateral amygdalaDisorder exhibitMixed mood statesMood statesHealthy controlsNeural activityBipolar disorder exhibitfMRI task parameters influence hemodynamic activity in regions implicated in mental set switching
Witt ST, Stevens MC. fMRI task parameters influence hemodynamic activity in regions implicated in mental set switching. NeuroImage 2012, 65: 139-151. PMID: 23079572, PMCID: PMC3523276, DOI: 10.1016/j.neuroimage.2012.09.072.Peer-Reviewed Original ResearchConceptsBrain regionsMagnetic resonance imaging studySecondary visual cortexResonance imaging studyFunctional magnetic resonance imaging studySensorimotor cortexFronto-parietal regionsAnterior prefrontal cortexAnterior cingulateVisual cortexImaging studiesFronto-parietal networkPrefrontal cortexHemodynamic activityCortexBrain activityComplex executive functionsStimulus complexityExecutive functionResponse complexityTrialsNon-switch trialsPrevious studiesExposure 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 cingulateDiminished Frontostriatal Activity During Processing of Monetary Rewards and Losses in Pathological Gambling
Balodis IM, Kober H, Worhunsky PD, Stevens MC, Pearlson GD, Potenza MN. Diminished Frontostriatal Activity During Processing of Monetary Rewards and Losses in Pathological Gambling. Biological Psychiatry 2012, 71: 749-757. PMID: 22336565, PMCID: PMC3460522, DOI: 10.1016/j.biopsych.2012.01.006.Peer-Reviewed Original ResearchConceptsAlcohol dependencePathological gamblingVentral striatumMagnetic resonance imaging studyResonance imaging studyFunctional magnetic resonance imaging studyBrain activation changesMonetary incentive delay taskReward processingLoss processingPresent functional magnetic resonance imaging (fMRI) studyControl comparison groupIncentive delay taskVentral striatal activationPG groupMonetary rewardsVentromedial prefrontal cortexSimilar associationImaging studiesFrontostriatal activityLoss anticipationConsistent alterationsActivation changesPrefrontal cortexLevels of impulsivity
2010
Functional Imaging of Cognitive Control During Acute Alcohol Intoxication
Anderson BM, Stevens MC, Meda SA, Jordan K, Calhoun VD, Pearlson GD. Functional Imaging of Cognitive Control During Acute Alcohol Intoxication. Alcohol Clinical And Experimental Research 2010, 35: 156-165. PMID: 20958334, PMCID: PMC3005103, DOI: 10.1111/j.1530-0277.2010.01332.x.Peer-Reviewed Original ResearchConceptsCognitive controlError processingBrain regionsAnterior cingulateFunctional magnetic resonance imaging (fMRI) taskFunctional MRILateral prefrontal cortexParietal brain regionsFalse alarm responsesBrain hemodynamic activityFalse alarm errorsParietal lobe regionsNeural basisBehavioral performancePrefrontal cortexFMRI analysisHemodynamic activityLobe regionsAcute alcohol intoxicationAlarm errorsAlcohol effectsReaction timeAlcohol intoxicationCingulateAlarm responseDecreased prefrontal cortex activity in mild traumatic brain injury during performance of an auditory oddball task
Witt ST, Lovejoy DW, Pearlson GD, Stevens MC. Decreased prefrontal cortex activity in mild traumatic brain injury during performance of an auditory oddball task. Brain Imaging And Behavior 2010, 4: 232-247. PMID: 20703959, DOI: 10.1007/s11682-010-9102-3.Peer-Reviewed Original ResearchConceptsMild TBI patientsMild traumatic brain injuryTraumatic brain injuryBrain activityRight dorsolateral prefrontal cortexActive information maintenanceCompensatory brain activityDefault mode network dysfunctionPrefrontal cortex activityAuditory oddball taskDorsolateral prefrontal cortexTBI patientsPersistent cognitive deficitsBrain injurySimilar topographical patternEffortful formsExecutive tasksExecutive abilitiesOddball taskTask performanceMental effortNovel stimuliStimulus detectionCortex activityPrefrontal cortex
2009
Evidence for Anomalous Network Connectivity during Working Memory Encoding in Schizophrenia: An ICA Based Analysis
Meda SA, Stevens MC, Folley BS, Calhoun VD, Pearlson GD. Evidence for Anomalous Network Connectivity during Working Memory Encoding in Schizophrenia: An ICA Based Analysis. PLOS ONE 2009, 4: e7911. PMID: 19936244, PMCID: PMC2775682, DOI: 10.1371/journal.pone.0007911.Peer-Reviewed Original ResearchConceptsTask accuracyFunctional connectivityPrefrontal cortexNetwork engagementLeft fronto-parietal networkRight dorsolateral prefrontal cortexMemory fMRI paradigmWorking Memory EncodingFronto-parietal networkVentrolateral prefrontal cortexNumerous neuroimaging studiesDorsolateral prefrontal cortexIndependent component analysisAbnormal regional brain activityDefault mode networkBrain network integrationDysfunctional brain regionsPrevious schizophrenia studiesRegional brain activityHippocampus/parahippocampusMemory encodingFMRI taskMemory cognitionMemory performanceFMRI paradigm
2007
Brain network dynamics during error commission
Stevens MC, Kiehl KA, Pearlson GD, Calhoun VD. Brain network dynamics during error commission. Human Brain Mapping 2007, 30: 24-37. PMID: 17979124, PMCID: PMC2669663, DOI: 10.1002/hbm.20478.Peer-Reviewed Original ResearchConceptsError commissionGo/No-Go taskVisual Go/No-Go taskHigher-order cognitive controlFunctional magnetic resonance imaging (fMRI) dataLateral prefrontal cortexPrefrontal brain regionsWhole-brain functional connectivityPregenual cingulate cortexAnterior temporal lobeBrain network dynamicsInferior parietal lobuleAdult healthy participantsBrain functional connectivityCognitive controlIndependent component analysisButton pressHemodynamic activationAffective responsesDevelopmental differencesNeurobiological differencesParietal lobulePrefrontal cortexAnterior cingulateError detection network
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