2024
Testing the structural disconnection hypothesis: Myelin content correlates with memory in healthy aging
Mendez Colmenares A, Thomas M, Anderson C, Arciniegas D, Calhoun V, Choi I, Kramer A, Li K, Lee J, Lee P, Burzynska A. Testing the structural disconnection hypothesis: Myelin content correlates with memory in healthy aging. Neurobiology Of Aging 2024, 141: 21-33. PMID: 38810596, PMCID: PMC11290458, DOI: 10.1016/j.neurobiolaging.2024.05.013.Peer-Reviewed Original ResearchDisconnection hypothesisVirginia Cognitive Aging ProjectHypothesis of cognitive agingFractional anisotropyAssociated with reduced memory performanceDeterioration of white matterAge-related memory lossPrefrontal white matterGenu of the corpus callosumMyelin water fractionVoxel-wise analysisWhite matterCorpus callosumExecutive functionCognitive agingDiffusion tensor imagingMemory performancePrefrontal WMStructural equation modelingWM microstructureAge differencesProcessing speedStructural disconnectionCognitive declineHealthy participantsSearching Reproducible Brain Features using NeuroMark: Templates for Different Age Populations and Imaging Modalities
Fu Z, Batta I, Wu L, Abrol A, Agcaoglu O, Salman M, Du Y, Iraji A, Shultz S, Sui J, Calhoun V. Searching Reproducible Brain Features using NeuroMark: Templates for Different Age Populations and Imaging Modalities. NeuroImage 2024, 292: 120617. PMID: 38636639, PMCID: PMC11416721, DOI: 10.1016/j.neuroimage.2024.120617.Peer-Reviewed Original ResearchConceptsFunctional MRIStructural MRIResting-state scanSpatial similarity analysisMental health researchBrain markersDiffusion MRIAge differencesBrain featuresNeuromarkersBrain disordersYoung adult cohortBrain developmentWell-replicatedHuman brainBrainDiffusion MRI dataData-driven analysisDisordersSimilarity analysisAge cohortsGeneralizabilityPopulation-based researchAdult cohortAge-specific adaptation
2023
Symmetric data-driven fusion of diffusion tensor MRI: Age differences in white matter
Colmenares A, Hefner M, Calhoun V, Salerno E, Fanning J, Gothe N, McAuley E, Kramer A, Burzynska A. Symmetric data-driven fusion of diffusion tensor MRI: Age differences in white matter. Frontiers In Neurology 2023, 14: 1094313. PMID: 37139071, PMCID: PMC10149813, DOI: 10.3389/fneur.2023.1094313.Peer-Reviewed Original ResearchDiffusion tensor imagingAge differencesExamination of age differencesPattern of age differencesFractional anisotropyRadial diffusivityJoint independent component analysisCognitively healthy adultsWhite matterDiffusion tensor imaging parametersFluid abilitiesPrefrontal WMProcessing speedDiagnostic classificationWM pathologyDiffusion tensor imaging datasetsAging WMUnimodal analysisTensor imagingIndependent component analysisClinical samplesHealthy agingCognitionCorpus callosumHealthy adults