2021
Reassessing associations between white matter and behaviour with multimodal microstructural imaging
Lazari A, Salvan P, Cottaar M, Papp D, van der Werf O, Johnstone A, Sanders Z, Sampaio-Baptista C, Eichert N, Miyamoto K, Winkler A, Callaghan M, Nichols T, Stagg C, Rushworth M, Verhagen L, Johansen-Berg H. Reassessing associations between white matter and behaviour with multimodal microstructural imaging. Cortex 2021, 145: 187-200. PMID: 34742100, PMCID: PMC8940642, DOI: 10.1016/j.cortex.2021.08.017.Peer-Reviewed Original Research
2020
The effects of an aerobic training intervention on cognition, grey matter volumes and white matter microstructure
Sexton C, Betts J, Dennis A, Doherty A, Leeson P, Holloway C, Dall'Armellina E, Winkler A, Demnitz N, Wassenaar T, Dawes H, Johansen-Berg H. The effects of an aerobic training intervention on cognition, grey matter volumes and white matter microstructure. Physiology & Behavior 2020, 223: 112923. PMID: 32474233, PMCID: PMC7378567, DOI: 10.1016/j.physbeh.2020.112923.Peer-Reviewed Original ResearchMeSH KeywordsAgedBrainCognitionDiffusion Tensor ImagingFemaleGray MatterHumansMalePilot ProjectsWhite MatterConceptsAerobic training programGray matter volumeCardiorespiratory fitnessMatter volumeMagnetic resonance imaging outcomesSpecific high-risk populationsBrain structuresOlder adultsAerobic training interventionHigh-risk populationStructural MRI analysisTract-based spatial statisticsVoxel-based morphometryVoxel-wise assessmentWaitlist control conditionHealthy older adultsWhite matter microstructureImaging outcomesHippocampal volumeObservational studyPhysical activityReduced riskCognitive declineMax testingMore encouraging resultsWhite matter structure and myelin-related gene expression alterations with experience in adult rats
Sampaio-Baptista C, Vallès A, Khrapitchev A, Akkermans G, Winkler A, Foxley S, Sibson N, Roberts M, Miller K, Diamond M, Martens G, De Weerd P, Johansen-Berg H. White matter structure and myelin-related gene expression alterations with experience in adult rats. Progress In Neurobiology 2020, 187: 101770. PMID: 32001310, PMCID: PMC7086231, DOI: 10.1016/j.pneurobio.2020.101770.Peer-Reviewed Original ResearchConceptsDiffusion tensor imagingAdult ratsMRNA expressionMyelin basic protein mRNA expressionWM plasticityNeuronal activity modulationMBP protein expressionC-fos mRNA expressionMatter structuresAnalysis of myelinGray matter structuresProtein mRNA expressionWhite matter plasticityRegulation of myelinationWhite matter structuresBarrel cortexGene expression alterationsCortical activityMRNA expression analysisRNA sequencing analysisBrain structuresTensor imagingDTI differencesMacroscale measuresMolecular correlates
2017
Associations between self‐reported sleep quality and white matter in community‐dwelling older adults: A prospective cohort study
Sexton C, Zsoldos E, Filippini N, Griffanti L, Winkler A, Mahmood A, Allan C, Topiwala A, Kyle S, Spiegelhalder K, Singh‐Manoux A, Kivimaki M, Mackay C, Johansen‐Berg H, Ebmeier K. Associations between self‐reported sleep quality and white matter in community‐dwelling older adults: A prospective cohort study. Human Brain Mapping 2017, 38: 5465-5473. PMID: 28745016, PMCID: PMC5655937, DOI: 10.1002/hbm.23739.Peer-Reviewed Original ResearchConceptsWhite matter microstructurePoor sleep qualitySleep qualityPoor sleep quality groupSelf-reported sleep qualitySmall effect sizesCommunity-dwelling membersHum Brain MappDiffusion tensorRadial diffusivity valuesVoxel-wise analysisWhite matter measuresCurrent sleep qualityEffect sizeGlobal fractional anisotropyModifiable factorsLifestyle measuresSleep disturbancesPoor sleepSub studyGeneral cognitive functionNeurological illnessAxial diffusivityCognitive functionFractional anisotropyHyperinsulinemia and elevated systolic blood pressure independently predict white matter hyperintensities with associated cognitive decrement in the middle-aged offspring of dementia patients
Hawkins KA, Emadi N, Pearlson GD, Winkler AM, Taylor B, Dulipsingh L, King D, Pittman B, Blank K. Hyperinsulinemia and elevated systolic blood pressure independently predict white matter hyperintensities with associated cognitive decrement in the middle-aged offspring of dementia patients. Metabolic Brain Disease 2017, 32: 849-857. PMID: 28255864, DOI: 10.1007/s11011-017-9980-9.Peer-Reviewed Original ResearchConceptsSystolic blood pressureWMH volumeVascular riskBlood pressurePlasma insulinDementia patientsMRI white matter hyperintensity volumeCognitive declineElevated systolic blood pressureSmall dense LDL-cholesterolWhite matter hyperintensity volumeH systolic BPIndependent risk factorDense LDL cholesterolCognitive decrementsBody mass indexWhite matter damageWhite matter hyperintensitiesApoE ε4 effectMiddle-aged offspringCerebral infarctsLifestyle modificationAggressive treatmentCerebrovascular damageLDL cholesterol
2016
Heterochronicity of white matter development and aging explains regional patient control differences in schizophrenia
Kochunov P, Ganjgahi H, Winkler A, Kelly S, Shukla D, Du X, Jahanshad N, Rowland L, Sampath H, Patel B, O'Donnell P, Xie Z, Paciga S, Schubert C, Chen J, Zhang G, Thompson P, Nichols T, Hong L. Heterochronicity of white matter development and aging explains regional patient control differences in schizophrenia. Human Brain Mapping 2016, 37: 4673-4688. PMID: 27477775, PMCID: PMC5118078, DOI: 10.1002/hbm.23336.Peer-Reviewed Original ResearchConceptsAge-related declineWhite matterSchizophrenia patientsFractional anisotropyFA valuesDiagnosis interactionFaster age-related declinePathophysiology of schizophreniaHum Brain MappEffect of diagnosisLower fractional anisotropyPatient-control differencesT Siemens MRI scannerBrain white matterClinical burdenRegional FA valuesPatientsAbnormal rateBrain connectivityTract developmentAdolescent maturationSpecific tractsRegional reductionDiagnosisSchizophrenia
2015
The common genetic influence over processing speed and white matter microstructure: Evidence from the Old Order Amish and Human Connectome Projects
Kochunov P, Thompson P, Winkler A, Morrissey M, Fu M, Coyle T, Du X, Muellerklein F, Savransky A, Gaudiot C, Sampath H, Eskandar G, Jahanshad N, Patel B, Rowland L, Nichols T, O'Connell J, Shuldiner A, Mitchell B, Hong L. The common genetic influence over processing speed and white matter microstructure: Evidence from the Old Order Amish and Human Connectome Projects. NeuroImage 2015, 125: 189-197. PMID: 26499807, PMCID: PMC4691385, DOI: 10.1016/j.neuroimage.2015.10.050.Peer-Reviewed Original ResearchPerfusion shift from white to gray matter may account for processing speed deficits in schizophrenia
Wright S, Hong L, Winkler A, Chiappelli J, Nugent K, Muellerklein F, Du X, Rowland L, Wang D, Kochunov P. Perfusion shift from white to gray matter may account for processing speed deficits in schizophrenia. Human Brain Mapping 2015, 36: 3793-3804. PMID: 26108347, PMCID: PMC4714540, DOI: 10.1002/hbm.22878.Peer-Reviewed Original ResearchConceptsWM integrityDiffusion tensor imagingArterial spin labelingPatient-control differencesPS deficitsReduced WM integrityPerfusion shiftCerebral information processingLower WM integrityCerebral WMNeurophysiological alterationsInformation processing speedSchizophrenia patientsGray matterCognitive deficitsTensor imagingBlood perfusionSchizophreniaDeficitsFurther examinationSpin labelingProcessing speedPatientsCohortPerfusionStriatal activity and reduced white matter increase frontal activity in youths with family histories of alcohol and other substance‐use disorders performing a go/no‐go task
Acheson A, Tagamets M, Winkler A, Rowland L, Mathias C, Wright S, Hong L, Kochunov P, Dougherty D. Striatal activity and reduced white matter increase frontal activity in youths with family histories of alcohol and other substance‐use disorders performing a go/no‐go task. Brain And Behavior 2015, 5: e00352. PMID: 26221573, PMCID: PMC4511289, DOI: 10.1002/brb3.352.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAspartic AcidBrain MappingChildCorpus StriatumExecutive FunctionFamilyFemaleGenetic Predisposition to DiseaseHumansInhibition, PsychologicalLongitudinal StudiesMagnetic Resonance ImagingMaleMotor CortexNeural PathwaysProton Magnetic Resonance SpectroscopyPsychomotor PerformanceSignal Processing, Computer-AssistedSubstance-Related DisordersWhite MatterConceptsSupplementary motor areaSubstance use disordersWhite matter integrityFamily historyFrontal white matter integrityStriatal activityDorsal striatumFrontal cortical activityCortical activitySMA activityFrontal cortical projectionsDrug use disordersDorsal striatal activitySuch family historyDorsal striatum activityCortical projectionsMotor areaElevated riskOngoing longitudinal studyUse disordersWhite matterDownstream projectionsGo/Heritability of fractional anisotropy in human white matter: A comparison of Human Connectome Project and ENIGMA-DTI data
Kochunov P, Jahanshad N, Marcus D, Winkler A, Sprooten E, Nichols TE, Wright SN, Hong LE, Patel B, Behrens T, Jbabdi S, Andersson J, Lenglet C, Yacoub E, Moeller S, Auerbach E, Ugurbil K, Sotiropoulos SN, Brouwer RM, Landman B, Lemaitre H, Braber A, Zwiers MP, Ritchie S, van Hulzen K, Almasy L, Curran J, deZubicaray GI, Duggirala R, Fox P, Martin NG, McMahon KL, Mitchell B, Olvera RL, Peterson C, Starr J, Sussmann J, Wardlaw J, Wright M, Boomsma DI, Kahn R, de Geus EJ, Williamson DE, Hariri A, van 't Ent D, Bastin ME, McIntosh A, Deary IJ, pol H, Blangero J, Thompson PM, Glahn DC, Van Essen DC. Heritability of fractional anisotropy in human white matter: A comparison of Human Connectome Project and ENIGMA-DTI data. NeuroImage 2015, 111: 300-311. PMID: 25747917, PMCID: PMC4387079, DOI: 10.1016/j.neuroimage.2015.02.050.Peer-Reviewed Original Research
2014
Assessment of whole brain white matter integrity in youths and young adults with a family history of substance‐use disorders
Acheson A, Wijtenburg S, Rowland L, Winkler A, Gaston F, Mathias C, Fox P, Lovallo W, Wright S, Hong L, Dougherty D, Kochunov P. Assessment of whole brain white matter integrity in youths and young adults with a family history of substance‐use disorders. Human Brain Mapping 2014, 35: 5401-5413. PMID: 24867528, PMCID: PMC4206569, DOI: 10.1002/hbm.22559.Peer-Reviewed Original ResearchConceptsSubstance use disordersLower FA valuesFamily historyUse disordersFA valuesCorona radiataWhole-brain white matter integrityYoung adultsFrontostriatal white matter tractsBrain white matter integrityFrontal white matterPosterior corona radiataAnterior corona radiataFractional anisotropy (FA) dataHigher radial diffusivitySuch family historyWhite matter tractsWhite matter integrityAge-related declineImpaired myelinationAxonal myelinationCorpus callosumGeneral populationWhite matterSignificant negative correlation
2013
Influence of age, sex and genetic factors on the human brain
McKay DR, Knowles EE, Winkler AA, Sprooten E, Kochunov P, Olvera RL, Curran JE, Kent JW, Carless MA, Göring HH, Dyer TD, Duggirala R, Almasy L, Fox PT, Blangero J, Glahn DC. Influence of age, sex and genetic factors on the human brain. Brain Imaging And Behavior 2013, 8: 143-152. PMID: 24297733, PMCID: PMC4011973, DOI: 10.1007/s11682-013-9277-5.Peer-Reviewed Original Research