2017
Altered Functional Connectivity in Sickle Cell Disease Exists at Rest and During Acute Pain Challenge
Zempsky W, Stevens M, Santanelli J, Gaynor A, Khadka S. Altered Functional Connectivity in Sickle Cell Disease Exists at Rest and During Acute Pain Challenge. The Clinical Journal Of Pain 2017, 33: 1060-1070. PMID: 28272117, DOI: 10.1097/ajp.0000000000000492.Peer-Reviewed Original ResearchConceptsSickle cell diseaseChronic pain disordersPain challengePain disordersCell diseaseSomatosensory networkBrain regionsAltered functional connectivityFunctional connectivity abnormalitiesSubcortical brain regionsLower functional integrationDefault mode networkCentral sensitizationRed blood cellsNociceptive informationPain sensitizationChronic painPain responseParietal lobe regionsPressure algometerPainful stimuliNeurodevelopmental abnormalitiesSCD controlsConnectivity abnormalitiesSalience network
2009
Age-related cognitive gains are mediated by the effects of white matter development on brain network integration
Stevens MC, Skudlarski P, Pearlson GD, Calhoun VD. Age-related cognitive gains are mediated by the effects of white matter development on brain network integration. NeuroImage 2009, 48: 738-746. PMID: 19577651, PMCID: PMC2753497, DOI: 10.1016/j.neuroimage.2009.06.065.Peer-Reviewed Original ResearchConceptsCognitive controlBrain activityWhite matter developmentDevelopmental cognitive neuroscienceExecutive cognitive abilityBrain network integrationWhite matter coherenceCognitive neuroscienceCognitive abilitiesResponse inhibitionAdolescent developmentCognitive gainsBehavioral performanceSpecific white matter regionsFunctional integrationAge-related changesFirst multimodalBehavioral controlFunctional connectivityMaturational factorsBrain regionsLocal processingNetwork integrationFunctional circuitsNeuroscienceChanges in the interaction of resting‐state neural networks from adolescence to adulthood
Stevens MC, Pearlson GD, Calhoun VD. Changes in the interaction of resting‐state neural networks from adolescence to adulthood. Human Brain Mapping 2009, 30: 2356-2366. PMID: 19172655, PMCID: PMC6788906, DOI: 10.1002/hbm.20673.Peer-Reviewed Original Research
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 networkFunctional neural networks underlying response inhibition in adolescents and adults
Stevens MC, Kiehl KA, Pearlson GD, Calhoun VD. Functional neural networks underlying response inhibition in adolescents and adults. Behavioural Brain Research 2007, 181: 12-22. PMID: 17467816, PMCID: PMC2266817, DOI: 10.1016/j.bbr.2007.03.023.Peer-Reviewed Original ResearchConceptsResponse inhibition circuitsBehavioral performance changesBrain hemodynamic activityResponse inhibitionFronto-striatal regionsThalamic modulationThalamic connectivityAge-related differencesPremotor cortexHealthy adolescentsGo/No-Go taskNeural circuitsHemodynamic activityEffective connectivity analysisInhibition circuitAdultsFunctional neural networksResponse suppressionAdolescentsConnectivity analysisFirst descriptionInhibitionNetwork engagement
2005
Hemispheric differences in hemodynamics elicited by auditory oddball stimuli
Stevens MC, Calhoun VD, Kiehl KA. Hemispheric differences in hemodynamics elicited by auditory oddball stimuli. NeuroImage 2005, 26: 782-792. PMID: 15955488, PMCID: PMC2759643, DOI: 10.1016/j.neuroimage.2005.02.044.Peer-Reviewed Original ResearchConceptsNovel stimuliInfrequent targetsRight hemisphereHemispheric differencesGreater right hemisphere activationTask-relevant target stimuliAuditory oddball stimuliEvent-related fMRIParietal lobe activityRight hemisphere activationFrequent standard stimuliTask-irrelevant novel stimuliPrevious neuroimaging studiesHealthy adult participantsAttentional processesNovelty processingSalient stimuliTarget stimuliOddball stimuliOddball taskNeuroimaging studiesStandard stimuliInfrequent novelLeft hemisphereHemodynamic activity