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 participantsSocial Function and Communication in Optimal Outcome Children and Adolescents with an Autism History on Structured Test Measures
Orinstein AJ, Suh J, Porter K, De Yoe KA, Tyson KE, Troyb E, Barton ML, Eigsti IM, Stevens MC, Fein DA. Social Function and Communication in Optimal Outcome Children and Adolescents with an Autism History on Structured Test Measures. Journal Of Autism And Developmental Disorders 2015, 45: 2443-2463. PMID: 25758821, PMCID: PMC4515156, DOI: 10.1007/s10803-015-2409-6.Peer-Reviewed Original ResearchConceptsHigh functioning autismOO participantsOptimal Outcome ChildrenPragmatic language deficitsAttentional problemsCommunication symptomsTD youthTD peersSocial abilitiesSocial difficultiesCommunicative impairmentsASD diagnosisLanguage deficitsOutcomes childrenTest measuresCommunication difficultiesGroup differencesSocial relationshipsYouthSocial functionParticipantsLess insightDifficultiesOptimal outcomesAutism
2014
Brain activity in predominantly-inattentive subtype attention-deficit/hyperactivity disorder during an auditory oddball attention task
Orinstein AJ, Stevens MC. Brain activity in predominantly-inattentive subtype attention-deficit/hyperactivity disorder during an auditory oddball attention task. Psychiatry Research 2014, 223: 121-128. PMID: 24953999, PMCID: PMC4120259, DOI: 10.1016/j.pscychresns.2014.05.012.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderAttention taskADHD subtypesHyperactivity disorderNovel stimuliBrain activityMemory-related cognitive processesPrevious functional neuroimaging studiesBilateral superior temporal gyrusRight posterior parietal cortexNumerous cognitive tasksFunctional neuroimaging studiesInfrequent target stimuliAge-matched control participantsSuperior temporal gyrusPosterior parietal cortexTemporal lobe structuresGreater hemodynamic activityAttentional orientingCognitive processesCognitive tasksTarget stimuliInattentive subtypeLateral temporal lobe structuresAttention deficits
2012
fMRI 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 studiesOvercoming residual interference in mental set switching: Neural correlates and developmental trajectory
Witt ST, Stevens MC. Overcoming residual interference in mental set switching: Neural correlates and developmental trajectory. NeuroImage 2012, 62: 2055-2064. PMID: 22584223, PMCID: PMC3482401, DOI: 10.1016/j.neuroimage.2012.05.007.Peer-Reviewed Original ResearchConceptsHigher taskLower taskFunctional magnetic resonance imaging studySpaced trialsSubsequent stimulus processingBrain regionsMagnetic resonance imaging studyDissociable influencesExecutive controlCognitive setResonance imaging studyNeural correlatesStimulus processingBrain systemsSwitch costsDevelopmental trajectoriesTask typeSet switchingSubcortical motor networksNew tasksInterstimulus intervalPassive decayTaskReaction timeCortical control
2008
Neural correlates of the processing of another’s mistakes: A possible underpinning for social and observational learning
Shane MS, Stevens M, Harenski CL, Kiehl KA. Neural correlates of the processing of another’s mistakes: A possible underpinning for social and observational learning. NeuroImage 2008, 42: 450-459. PMID: 18534868, PMCID: PMC2593145, DOI: 10.1016/j.neuroimage.2007.12.067.Peer-Reviewed Original ResearchConceptsGoal-directed behaviorCommon neural circuitryComplex social actionsDorsal anterior cingulateInferior parietal cortexSupplementary motor regionsError monitoringNeural correlatesGo taskObservational learningGo/Possible underpinningsOrbitofrontal cortexAnterior cingulateNeural circuitryParietal cortexSame taskMotor regionsSocial actionDistributed networkPotential importTaskCortexObserved errorsProcessing
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
2005
Low-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 cortexAn adaptive reflexive processing model of neurocognitive function: supporting evidence from a large scale (n = 100) fMRI study of an auditory oddball task
Kiehl KA, Stevens MC, Laurens KR, Pearlson G, Calhoun VD, Liddle PF. An adaptive reflexive processing model of neurocognitive function: supporting evidence from a large scale (n = 100) fMRI study of an auditory oddball task. NeuroImage 2005, 25: 899-915. PMID: 15808990, DOI: 10.1016/j.neuroimage.2004.12.035.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsArousalAttentionBrainBrain MappingDominance, CerebralEvent-Related Potentials, P300FemaleHemodynamicsHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMiddle AgedNerve NetOxygenPitch DiscriminationReaction TimeReflexSex FactorsStatistics as TopicConceptsTask performanceNovel stimuliTask-relevant target stimuliProcessing of salientBrain regionsSuccessful task performanceAuditory oddball taskFunctional MRI studyNovelty processingReflexive processingSalient stimuliTarget stimuliOddball taskFMRI studyRandom effects statistical modelSubcortical systemsProcessing modelEffect of genderNeurocognitive functionInter-subject reliabilityEffects statistical modelStimuliSignificant activationFixed-effects analysisTarget detection