2022
tDCS induced GABA change is associated with the simulated electric field in M1, an effect mediated by grey matter volume in the MRS voxel
Nandi T, Puonti O, Clarke W, Nettekoven C, Barron H, Kolasinski J, Hanayik T, Hinson E, Berrington A, Bachtiar V, Johnstone A, Winkler A, Thielscher A, Johansen-Berg H, Stagg C. tDCS induced GABA change is associated with the simulated electric field in M1, an effect mediated by grey matter volume in the MRS voxel. Brain Stimulation 2022, 15: 1153-1162. PMID: 35988862, PMCID: PMC7613675, DOI: 10.1016/j.brs.2022.07.049.Peer-Reviewed Original Research
2020
The effects of an aerobic training intervention on cognition, grey matter volumes and white matter microstructure
Sexton C, Betts J, Dennis A, Doherty A, Leeson P, Holloway C, Dall'Armellina E, Winkler A, Demnitz N, Wassenaar T, Dawes H, Johansen-Berg H. The effects of an aerobic training intervention on cognition, grey matter volumes and white matter microstructure. Physiology & Behavior 2020, 223: 112923. PMID: 32474233, PMCID: PMC7378567, DOI: 10.1016/j.physbeh.2020.112923.Peer-Reviewed Original ResearchMeSH KeywordsAgedBrainCognitionDiffusion Tensor ImagingFemaleGray MatterHumansMalePilot ProjectsWhite MatterConceptsAerobic training programGray matter volumeCardiorespiratory fitnessMatter volumeMagnetic resonance imaging outcomesSpecific high-risk populationsBrain structuresOlder adultsAerobic training interventionHigh-risk populationStructural MRI analysisTract-based spatial statisticsVoxel-based morphometryVoxel-wise assessmentWaitlist control conditionHealthy older adultsWhite matter microstructureImaging outcomesHippocampal volumeObservational studyPhysical activityReduced riskCognitive declineMax testingMore encouraging results
2016
Ipsilesional 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
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
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 Research