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 anisotropy
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