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
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
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