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