2023
Autism spectrum disorder-specific changes in white matter connectome edge density based on functionally defined nodes
Weber C, Lake E, Haider S, Mozayan A, Bobba P, Mukherjee P, Scheinost D, Constable R, Ment L, Payabvash S. Autism spectrum disorder-specific changes in white matter connectome edge density based on functionally defined nodes. Frontiers In Neuroscience 2023, 17: 1285396. PMID: 38075286, PMCID: PMC10702224, DOI: 10.3389/fnins.2023.1285396.Peer-Reviewed Original ResearchWhite matterPositive symptom correlationAutism spectrum disorderSymptom severity scoresBetween-group differencesAbnormal connectivity patternsCortical nodesVoxel-wise analysisDiffusion tensor imagingSeverity scoreWM fiber tractsSymptom correlationClinical dataConnectome disruptionConnectome changesEarly changesCortical regionsInfantsED reductionWM disruptionDisorder-specific changesTensor imagingFunctional imagingFiber tractsProbabilistic tractography
2022
Age‐related topographic map of magnetic resonance diffusion metrics in neonatal brains
Bobba PS, Weber CF, Mak A, Mozayan A, Malhotra A, Sheth KN, Taylor SN, Vossough A, Grant PE, Scheinost D, Constable RT, Ment LR, Payabvash S. Age‐related topographic map of magnetic resonance diffusion metrics in neonatal brains. Human Brain Mapping 2022, 43: 4326-4334. PMID: 35599634, PMCID: PMC9435001, DOI: 10.1002/hbm.25956.Peer-Reviewed Original ResearchConceptsGestational ageCerebellar white matterWhite matterNeonatal brainDiffusion-weighted imagingCorpus callosumMD valuesCorpus callosum myelinationLower gestational ageTerm-equivalent ageSubcortical white matterFA/MDApparent diffusion coefficient (ADC) valuesMonths of ageDiffusion tensor imaging (DTI) metricsDiffusion metricsAge-related evolutionAge-related changesAge-specific normative valuesNeonatal ageBrain parenchymaCorticospinal tractNeonate brainDiffusivity metricsADC values
2019
Stroke atlas of the brain: Voxel-wise density-based clustering of infarct lesions topographic distribution
Wang Y, Juliano JM, Liew SL, McKinney AM, Payabvash S. Stroke atlas of the brain: Voxel-wise density-based clustering of infarct lesions topographic distribution. NeuroImage Clinical 2019, 24: 101981. PMID: 31473544, PMCID: PMC6728875, DOI: 10.1016/j.nicl.2019.101981.Peer-Reviewed Original ResearchConceptsMain cerebral arteriesInfarct lesionsSupply territoryCerebral arteryBrain tissueLarge arterial occlusionDeep white matterGray matter nucleiStandard brain spaceIschemic infarctArterial occlusionConsensus atlasMRI scansWhite matterLesionsTopographic distributionPatientsClusters of voxelsBrainArteryBrain spaceMother clustersMothersTiny clustersVisual assessment
2015
Delineation of microhemorrhage in acute hepatic encephalopathy using susceptibility-weighted imaging
Benson JC, Payabvash S, Thalken GL, Alonso J, Rykken J, Ott F, McKinney AM. Delineation of microhemorrhage in acute hepatic encephalopathy using susceptibility-weighted imaging. European Journal Of Radiology 2015, 85: 629-634. PMID: 26860677, DOI: 10.1016/j.ejrad.2015.12.025.Peer-Reviewed Original ResearchConceptsPeriventricular white matterPlasma ammonia levelsWhite matterAHE patientsMRI severityClinical outcomesBasal gangliaChronic liver failureSubcortical white matterCortical gray matterSusceptibility-weighted imagingSWI MRILiver transplantationRegions of abnormalityLiver failureCerebral cortexClinical scoresClinical severityCommon locationPatientsGray matterSeverityAmmonia levelsBonferroni correctionDWI