2019
Schizophrenia Exhibits Bi-directional Brain-Wide Alterations in Cortico-Striato-Cerebellar Circuits
Ji JL, Diehl C, Schleifer C, Tamminga CA, Keshavan MS, Sweeney JA, Clementz BA, Hill SK, Pearlson G, Yang G, Creatura G, Krystal JH, Repovs G, Murray J, Winkler A, Anticevic A. Schizophrenia Exhibits Bi-directional Brain-Wide Alterations in Cortico-Striato-Cerebellar Circuits. Cerebral Cortex 2019, 29: 4463-4487. PMID: 31157363, PMCID: PMC6917525, DOI: 10.1093/cercor/bhy306.Peer-Reviewed Original ResearchConceptsBrain-wide alterationsResting-state functional magnetic resonanceSensory-motor cortexFunctional magnetic resonanceNeural dysconnectivityPolysynaptic connectionsCortico-striatoFunctional disturbancesChronic patientsAssociation cortexFocal disruptionNeural effectsCerebellar circuitsPatientsDysconnectivityStriatal componentsSchizophreniaCortexSpecific alterationsHallmark featureCognitive performanceAlterationsFunctional pathwaysQuestion accountsMagnetic resonance
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
Perfusion 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
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 values
2011
Genetic influence on the working memory circuitry: Behavior, structure, function and extensions to illness
Karlsgodt KH, Bachman P, Winkler AM, Bearden CE, Glahn DC. Genetic influence on the working memory circuitry: Behavior, structure, function and extensions to illness. Behavioural Brain Research 2011, 225: 610-622. PMID: 21878355, PMCID: PMC3545474, DOI: 10.1016/j.bbr.2011.08.016.Peer-Reviewed Original ResearchGenetic Architecture of Declarative Memory
Bearden CE, Karlsgodt KH, Bachman P, van Erp TG, Winkler AM, Glahn DC. Genetic Architecture of Declarative Memory. The Neuroscientist 2011, 18: 516-532. PMID: 21832260, PMCID: PMC3545476, DOI: 10.1177/1073858411415113.Peer-Reviewed Original ResearchConceptsGenetic architectureIndependent inheritanceGenetic basisMolecular basisSingle gene disordersMolecular mechanismsGeneralist genesMemory functionHuman memory functionLong-term memoryDistinct aspectsGenesDeclarative memoryCognitive domainsMemory abilityDistinct subcomponentsInheritanceMemoryFunctionIndividual variabilityDomainImportant informationEvidence