2023
Mapping Lesion-Related Epilepsy to a Human Brain Network
Schaper F, Nordberg J, Cohen A, Lin C, Hsu J, Horn A, Ferguson M, Siddiqi S, Drew W, Soussand L, Winkler A, Simó M, Bruna J, Rheims S, Guenot M, Bucci M, Nummenmaa L, Staals J, Colon A, Ackermans L, Bubrick E, Peters J, Wu O, Rost N, Grafman J, Blumenfeld H, Temel Y, Rouhl R, Joutsa J, Fox M. Mapping Lesion-Related Epilepsy to a Human Brain Network. JAMA Neurology 2023, 80: 891-902. PMID: 37399040, PMCID: PMC10318550, DOI: 10.1001/jamaneurol.2023.1988.Peer-Reviewed Original ResearchConceptsRisk of epilepsyLesion locationBrain regionsPoststroke epilepsyControl patientsSeizure controlBrain lesionsIndependent cohortBrain networksLesion typeBrain stimulation sitesLesion network mappingLesion-related epilepsyImproved seizure controlDrug-resistant epilepsyCase-control studyBrain stimulation therapyHuman brain networksSpecific brain regionsDifferent lesion typesSpecific brain networksBasal gangliaVascular territoriesStimulation therapyMAIN OUTCOME
2022
SARS-CoV-2 is associated with changes in brain structure in UK Biobank
Douaud G, Lee S, Alfaro-Almagro F, Arthofer C, Wang C, McCarthy P, Lange F, Andersson J, Griffanti L, Duff E, Jbabdi S, Taschler B, Keating P, Winkler A, Collins R, Matthews P, Allen N, Miller K, Nichols T, Smith S. SARS-CoV-2 is associated with changes in brain structure in UK Biobank. Nature 2022, 604: 697-707. PMID: 35255491, PMCID: PMC9046077, DOI: 10.1038/s41586-022-04569-5.Peer-Reviewed Original ResearchConceptsSARS-CoV-2Pre-existing risk factorsSARS-CoV-2 infectionSARS-CoV-2 casesPrimary olfactory cortexGreater reductionUK BiobankGreater cognitive declineMagnetic resonance imagingGray matter thicknessLongitudinal effectsNeuroinflammatory eventsRisk factorsOlfactory cortexMild casesBrain changesBrain pathologyCOVID-191Parahippocampal gyrusBrain imaging resultsCognitive declineTissue damageResonance imagingOlfactory pathwayOrbitofrontal cortex
2021
An In-vivo 1H-MRS short-echo time technique at 7T: Quantification of metabolites in chronic multiple sclerosis and neuromyelitis optica brain lesions and normal appearing brain tissue
Tackley G, Kong Y, Minne R, Messina S, Winkler A, Cavey A, Everett R, DeLuca G, Weir A, Craner M, Tracey I, Palace J, Stagg C, Emir U. An In-vivo 1H-MRS short-echo time technique at 7T: Quantification of metabolites in chronic multiple sclerosis and neuromyelitis optica brain lesions and normal appearing brain tissue. NeuroImage 2021, 238: 118225. PMID: 34062267, PMCID: PMC7611458, DOI: 10.1016/j.neuroimage.2021.118225.Peer-Reviewed Original ResearchConceptsTotal N-acetylaspartateMultiple sclerosisN-acetylaspartateBrain lesionsPositive neuromyelitis optica spectrum disorderWhite matterNeuromyelitis optica spectrum disorderOptica spectrum disorderChronic multiple sclerosisPost-hoc testingBrain white matterDisease groupMRS methodologyMRS profilesMRS studiesReciprocal findingsNon-invasive quantificationBrain tissueLesionsMagnetic resonance spectroscopyMyo-inositolDistinct diseasesNormal tissuesCNS moleculesIn-Vivo
2020
Minimal Relationship between Local Gyrification and General Cognitive Ability in Humans
Mathias S, Knowles E, Mollon J, Rodrigue A, Koenis M, Alexander-Bloch A, Winkler A, Olvera R, Duggirala R, Göring H, Curran J, Fox P, Almasy L, Blangero J, Glahn D. Minimal Relationship between Local Gyrification and General Cognitive Ability in Humans. Cerebral Cortex 2020, 30: 3439-3450. PMID: 32037459, PMCID: PMC7233007, DOI: 10.1093/cercor/bhz319.Peer-Reviewed Original ResearchConceptsGeneral cognitive abilityCognitive abilitiesLocal gyrificationSuperior cognitive abilitiesCortical surface pointsNeurobiology of intelligenceCognitive testsNeuroimaging studiesNeuroanatomical variablesStructural brain imagesMinimal relationshipCortical regionsEffect sizeGyrificationPrevious studiesAbilityNeurobiologyBrain imagesIntelligenceRelationshipHumansIndividualsPotential issuesImplicationsProfound implications
2019
One-year changes in brain microstructure differentiate preclinical Huntington's disease stages
Pflanz C, Charquero-Ballester M, Majid D, Winkler A, Vallée E, Aron A, Jenkinson M, Douaud G. One-year changes in brain microstructure differentiate preclinical Huntington's disease stages. NeuroImage Clinical 2019, 25: 102099. PMID: 31865023, PMCID: PMC6931230, DOI: 10.1016/j.nicl.2019.102099.Peer-Reviewed Original ResearchConceptsOnset of symptomsPreclinical stageDisease stageMean diffusivityHuntington's diseaseGender-matched healthy controlsOnly clinical measurePosterior basal gangliaDistinct pathophysiological mechanismsOptimal therapeutic windowOne-year changeSignificant differencesPreclinical Huntington's diseasePresymptomatic Huntington's diseaseNeurodegenerative phaseNeuroinflammatory processesMotor scoresPathophysiological mechanismsBasal gangliaDisease progressionHealthy controlsHuntington's disease stagesCorpus callosumTreatment responseClinical measuresAnticipatory Threat Responding: Associations With Anxiety, Development, and Brain Structure
Abend R, Gold A, Britton J, Michalska K, Shechner T, Sachs J, Winkler A, Leibenluft E, Averbeck B, Pine D. Anticipatory Threat Responding: Associations With Anxiety, Development, and Brain Structure. Biological Psychiatry 2019, 87: 916-925. PMID: 31955915, PMCID: PMC7211142, DOI: 10.1016/j.biopsych.2019.11.006.Peer-Reviewed Original ResearchConceptsSkin conductance responsesConductance responsesBrain structuresThreat conditioningPathological anxietyComparison subjectsPsychophysiological responsesLarger patient samplesPrefrontal cortical thicknessHealthy comparison subjectsStructural magnetic resonance imaging (MRI) dataThreat stimuliAnticipatory respondingExtinction paradigmStimulus typeMagnetic resonance imaging dataWide age rangeCortical thicknessPatientsNeurodevelopmental changesAnticipatory responsesTranslational advancesStructural brainAdult populationPatient samplesShort-interval intracortical inhibition is decreased in restless legs syndrome across a range of severity
Magalhães S, Queiroz de Paiva J, Kaelin-Lang A, Sterr A, Eckeli A, Winkler A, Fernandes do Prado G, Amaro E, Conforto A. Short-interval intracortical inhibition is decreased in restless legs syndrome across a range of severity. Sleep Medicine 2019, 62: 34-42. PMID: 31539846, DOI: 10.1016/j.sleep.2019.03.021.Peer-Reviewed Original ResearchConceptsShort-interval intracortical inhibitionRLS/WEDCortical thicknessIntracortical inhibitionRestless legs syndrome/Willis-Ekbom diseaseRestless legs syndromePrimary motor cortexWillis-Ekbom diseaseCharacteristic curve analysisGray matter thicknessDiscrimination of participantsIdiopathic mildRange of severityLegs syndromeMotor cortexMagnetic resonance imaging dataMild symptomsSurface-based analysisSeverity ScaleCortical areasMagnetic stimulationWhole brainCurve analysisCharacteristic curveSeverity
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 reductionDiagnosisSchizophreniaIpsilesional anodal tDCS enhances the functional benefits of rehabilitation in patients after stroke
Allman C, Amadi U, Winkler A, Wilkins L, Filippini N, Kischka U, Stagg C, Johansen-Berg H. Ipsilesional anodal tDCS enhances the functional benefits of rehabilitation in patients after stroke. Science Translational Medicine 2016, 8: 330re1. PMID: 27089207, PMCID: PMC5388180, DOI: 10.1126/scitranslmed.aad5651.Peer-Reviewed Original ResearchConceptsAnodal transcranial direct current stimulationTranscranial direct current stimulationAction Research Arm TestWolf Motor Function TestMagnetic resonance imagingMotor trainingPremotor cortexIpsilesional motorSham treatmentFunctional magnetic resonance imagingUpper extremity Fugl-Meyer scoreDaily motor trainingLong-term clinical outcomesAnodal tDCS groupFirst unilateral strokeDirect current stimulationIntervention-related increasesFugl-Meyer scoreSham treatment groupMotor Function TestMotor training programPrimary motor cortexStructural magnetic resonance imagingGray matter volumeMotor learning
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 speedPatientsCohortPerfusion
2014
Discovering Schizophrenia Endophenotypes in Randomly Ascertained Pedigrees
Glahn DC, Williams JT, McKay DR, Knowles EE, Sprooten E, Mathias SR, Curran JE, Kent JW, Carless MA, Göring HH, Dyer TD, Woolsey MD, Winkler AM, Olvera RL, Kochunov P, Fox PT, Duggirala R, Almasy L, Blangero J. Discovering Schizophrenia Endophenotypes in Randomly Ascertained Pedigrees. Biological Psychiatry 2014, 77: 75-83. PMID: 25168609, PMCID: PMC4261014, DOI: 10.1016/j.biopsych.2014.06.027.Peer-Reviewed Original Research
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 ResearchGenetic basis of neurocognitive decline and reduced white-matter integrity in normal human brain aging
Glahn DC, Kent JW, Sprooten E, Diego VP, Winkler AM, Curran JE, McKay DR, Knowles EE, Carless MA, Göring HH, Dyer TD, Olvera RL, Fox PT, Almasy L, Charlesworth J, Kochunov P, Duggirala R, Blangero J. Genetic basis of neurocognitive decline and reduced white-matter integrity in normal human brain aging. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 19006-19011. PMID: 24191011, PMCID: PMC3839730, DOI: 10.1073/pnas.1313735110.Peer-Reviewed Original ResearchTranscriptomics of cortical gray matter thickness decline during normal aging
Kochunov P, Charlesworth J, Winkler A, Hong LE, Nichols TE, Curran JE, Sprooten E, Jahanshad N, Thompson PM, Johnson MP, Kent JW, Landman BA, Mitchell B, Cole SA, Dyer TD, Moses EK, Goring HH, Almasy L, Duggirala R, Olvera RL, Glahn DC, Blangero J. Transcriptomics of cortical gray matter thickness decline during normal aging. NeuroImage 2013, 82: 273-283. PMID: 23707588, PMCID: PMC3759649, DOI: 10.1016/j.neuroimage.2013.05.066.Peer-Reviewed Original ResearchConceptsPathway enrichment analysisTranscriptome dataInnate immune pathwaysEnrichment analysisCellular proliferationInnate immune response pathwaysImmune pathwaysImmune response pathwaysResponse pathwaysFunctional categoriesPathway enrichmentTranscriptional activityGenesExpression activityTranscriptsHigh-resolution T1-weighted MRINormal cerebral agingCommunity-dwelling membersPathwaySignificance thresholdRegenerative capacityT1-weighted MRIDifferentiationCerebral agingViral infection
2012
Testing the Hypothesis of Accelerated Cerebral White Matter Aging in Schizophrenia and Major Depression
Kochunov P, Glahn DC, Rowland LM, Olvera RL, Winkler A, Yang YH, Sampath H, Carpenter WT, Duggirala R, Curran J, Blangero J, Hong LE. Testing the Hypothesis of Accelerated Cerebral White Matter Aging in Schizophrenia and Major Depression. Biological Psychiatry 2012, 73: 482-491. PMID: 23200529, PMCID: PMC3645491, DOI: 10.1016/j.biopsych.2012.10.002.Peer-Reviewed Original ResearchConceptsMajor depressive disorderMDD cohortAge-related declineFractional anisotropyWM tractsFA valuesAge interactionMain outcome measuresCerebral white matterPathophysiology of schizophreniaAverage fractional anisotropyWhite matter integrityCerebral WMMajor WM tractsMDD patientsDepressive disorderMajor depressionOutcome measuresFunctional declineSCZ patientsWhite matterCohortPeak myelinationPatientsWM FA valuesDefault mode network activity and white matter integrity in healthy middle-aged ApoE4 carriers
Patel KT, Stevens MC, Pearlson GD, Winkler AM, Hawkins KA, Skudlarski P, Bauer LO. Default mode network activity and white matter integrity in healthy middle-aged ApoE4 carriers. Brain Imaging And Behavior 2012, 7: 60-67. PMID: 23011382, DOI: 10.1007/s11682-012-9187-y.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnxietyApolipoprotein E4BrainData Interpretation, StatisticalDepressionDiffusion Tensor ImagingDNAFemaleGenotypeHeterozygoteHumansImage Processing, Computer-AssistedIntelligence TestsMagnetic Resonance ImagingMaleMiddle AgedNerve NetNeuropsychological TestsPrincipal Component AnalysisSmokingWechsler ScalesConceptsAPOE4 carriersMagnetic resonance imagingAlzheimer's diseaseFractional anisotropyFunctional MRI abnormalitiesUnderlying neuropathologic changesWhite matter fractional anisotropyWhite matter changesDefault mode network connectivityDefault mode network activityGenetic risk factorsMode network connectivityMiddle-aged adultsWhite matter integrityMRI abnormalitiesNeuropathologic changesRisk factorsApolipoprotein EMatter changesCognitive declineResonance imagingOlder ageFunctional connectivityGenetic riskDMN regions
2011
High Dimensional Endophenotype Ranking in the Search for Major Depression Risk Genes
Glahn DC, Curran JE, Winkler AM, Carless MA, Kent JW, Charlesworth JC, Johnson MP, Göring HH, Cole SA, Dyer TD, Moses EK, Olvera RL, Kochunov P, Duggirala R, Fox PT, Almasy L, Blangero J. High Dimensional Endophenotype Ranking in the Search for Major Depression Risk Genes. Biological Psychiatry 2011, 71: 6-14. PMID: 21982424, PMCID: PMC3230692, DOI: 10.1016/j.biopsych.2011.08.022.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overChromosomes, Human, Pair 4Cognition DisordersDepressive Disorder, MajorEndophenotypesFamily HealthFemaleGene Expression ProfilingGenetic LinkageGenetic Predisposition to DiseaseGenome-Wide Association StudyGenotypeHumansMagnetic Resonance ImagingMaleMexican AmericansMiddle AgedNeuropsychological TestsOligonucleotide Array Sequence AnalysisPsychiatric Status Rating ScalesQuantitative Trait LociRiskYoung AdultConceptsGenome-wide significant quantitative trait lociSignificant quantitative trait lociQuantitative trait lociGenome-wide significanceBivariate linkage analysisGenetic utilityTrait lociCausal genesDepression genesLinkage analysisRisk genesPleiotropic effectsExtended pedigreesGenesMexican-American individualsObjective endophenotypesExpression levelsUnrelated individualsFamily-based studyIntermediate phenotypesBiological mechanismsUnbiased methodLociTraitsNew insights