2023
Age-related, multivariate associations between white matter microstructure and behavioral performance in three executive function domains
Anderson J, Calhoun V, Pearlson G, Hawkins K, Stevens M. Age-related, multivariate associations between white matter microstructure and behavioral performance in three executive function domains. Developmental Cognitive Neuroscience 2023, 64: 101318. PMID: 37875033, PMCID: PMC10618425, DOI: 10.1016/j.dcn.2023.101318.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnisotropyBrainCognitionDiffusion Tensor ImagingExecutive FunctionHumansWhite MatterYoung AdultConceptsExecutive function domainsResponse inhibitionWhite matter microstructureLower response inhibitionStructure-cognition relationshipsEF abilitiesBehavioral performanceCognitive imbalanceNeurocognitive testsFunction domainTest performanceYoung adulthoodFractional anisotropyBrain changesAge 12Young adultsSS performanceWhite matter FA valuesGreater relianceWhite matter changesWhite matter microstructural differencesSubjects ages 12White matter skeletonIndependent componentsMultivariate associations
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 participants
2013
Functional Brain Networks Associated With Cognitive Control, Cocaine Dependence, and Treatment Outcome
Worhunsky PD, Stevens MC, Carroll KM, Rounsaville BJ, Calhoun VD, Pearlson GD, Potenza MN. Functional Brain Networks Associated With Cognitive Control, Cocaine Dependence, and Treatment Outcome. Psychology Of Addictive Behaviors 2013, 27: 477-488. PMID: 22775772, PMCID: PMC3743442, DOI: 10.1037/a0029092.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnalysis of VarianceBehavior, AddictiveCase-Control StudiesCerebral CortexCocaine-Related DisordersCognitive Behavioral TherapyData Interpretation, StatisticalExecutive FunctionFemaleFunctional NeuroimagingHumansLimbic SystemLinear ModelsMagnetic Resonance ImagingMaleMotivationNerve NetOxygenPrincipal Component AnalysisPsychomotor PerformanceStroop TestTreatment OutcomeConceptsCognitive controlCocaine dependencePoor cognitive controlCognitive control processesFunctional networksTreatment retentionDistinct functional networksIndependent component analysisFunctional brain networksConflict monitoringStroop taskTreatment outcome measuresMotivational processingCocaine-dependent patientsPrefrontal networkBrain networksSubcortical networksFunctional connectivityControl participantsFMRI dataRegional activationReduced involvementCortical networksTreatment developmentControl process
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