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
2013
Task-related concurrent but opposite modulations of overlapping functional networks as revealed by spatial ICA
Xu J, Zhang S, Calhoun VD, Monterosso J, Li CS, Worhunsky PD, Stevens M, Pearlson GD, Potenza MN. Task-related concurrent but opposite modulations of overlapping functional networks as revealed by spatial ICA. NeuroImage 2013, 79: 62-71. PMID: 23611864, PMCID: PMC3677796, DOI: 10.1016/j.neuroimage.2013.04.038.Peer-Reviewed Original ResearchConceptsCommon brain regionsSpatial independent component analysisDifferent functional networksMedial frontoparietal corticesFunctional networksCognitive tasksBrain regionsFrontoparietal cortexMultiple cognitive processesFunctional magnetic resonance imaging (fMRI) dataHigher-order association corticesTask-related modulationSame brain regionsCognitive processesVisual tasksMagnetic resonance imaging dataVentral tegmental areaPosterior cingulateAssociation cortexHealthy participantsHuman brainTimecoursesSubcortical structuresSpatial ICATask
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 disorder
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