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
2010
A Multimodal Assessment of the Genetic Control over Working Memory
Karlsgodt KH, Kochunov P, Winkler AM, Laird AR, Almasy L, Duggirala R, Olvera RL, Fox PT, Blangero J, Glahn DC. A Multimodal Assessment of the Genetic Control over Working Memory. Journal Of Neuroscience 2010, 30: 8197-8202. PMID: 20554870, PMCID: PMC2894480, DOI: 10.1523/jneurosci.0359-10.2010.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAnisotropyBrainBrain MappingDiffusion Magnetic Resonance ImagingFemaleHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMemory, Short-TermMexican AmericansMiddle AgedNerve Fibers, MyelinatedNeural PathwaysNeuropsychological TestsOxygenPedigreeYoung AdultConceptsMemory performanceComplex cognitive functionsHigher-level processesGray matter densityWorking memoryCognitive measuresResponse taskStructural magnetic resonanceGeneral intelligenceSuperior longitudinal fasciculusHuman participantsWhite matter tractsCognitive functionCognitive deficitsOnly performanceMultimodal assessmentBrain regionsMemoryCommon genetic factorsLongitudinal fasciculusMajor white matter tractsLevel processesMeasuresGray matter regionsCore component