2024
White-matter changes associated with a synergetic treatment for myalgic encephalomyelitis/chronic fatigue syndrome
Mohamed A, do Campo J, Del Fante P, Kwiatek R, Calhoun V, Shan Z. White-matter changes associated with a synergetic treatment for myalgic encephalomyelitis/chronic fatigue syndrome. Fatigue Biomedicine Health & Behavior 2024, ahead-of-print: 1-11. DOI: 10.1080/21641846.2024.2367921.Peer-Reviewed Original ResearchMyalgic encephalomyelitis/chronic fatigue syndromeLow-dose naltrexoneFatigue syndromeWhite-matter tractsPre-treatment baselineDebilitating chronic illnessDeficit symptomsME/CFS patientsDiffusion-weighted imaging dataReducing depressionTreating ME/CFSSymptom improvementFractional anisotropyOff-label treatmentWhite-matter changesNaltrexoneNICE guidelinesPost-treatmentSymptomsME/CFSNeuroimaging characteristicsClinical measuresChronic illnessControl groupRandomized controlled trialsTesting 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 participants
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 ResearchConceptsExecutive 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 associationsSymmetric 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