2018
Structural tract alterations predict downstream tau accumulation in amyloid-positive older individuals
Jacobs H, Hedden T, Schultz A, Sepulcre J, Perea R, Amariglio R, Papp K, Rentz D, Sperling R, Johnson K. Structural tract alterations predict downstream tau accumulation in amyloid-positive older individuals. Nature Neuroscience 2018, 21: 424-431. PMID: 29403032, PMCID: PMC5857215, DOI: 10.1038/s41593-018-0070-z.Peer-Reviewed Original ResearchConceptsPosterior cingulate cortexMemory declineCingulate cortexHippocampal volumeTau accumulationAssociated with increased mean diffusivityCognitively healthy older individualsBaseline hippocampal volumeAmyloid-positive individualsWhite matter connectivityAmyloid-negative individualsPreclinical Alzheimer's diseaseAmyloid pathologyAnimal models of Alzheimer's diseaseHealthy older individualsTau pathology propagationModel of Alzheimer's diseaseAlzheimer's diseaseTau positron emission tomographyMemory performanceNeural vulnerabilityCingulum bundleOlder individualsPositron emission tomographyMean diffusivity
2011
The Dynamics of Cortical and Hippocampal Atrophy in Alzheimer Disease
Sabuncu M, Desikan R, Sepulcre J, Yeo B, Liu H, Schmansky N, Reuter M, Weiner M, Buckner R, Sperling R, Fischl B, Initiative F. The Dynamics of Cortical and Hippocampal Atrophy in Alzheimer Disease. JAMA Neurology 2011, 68: 1040-1048. PMID: 21825241, PMCID: PMC3248949, DOI: 10.1001/archneurol.2011.167.Peer-Reviewed Original ResearchConceptsMini-Mental State Examination scoreHippocampal volume lossMini-MentalDecreased cognitive performanceCognitive performanceExamination scoresCortical thinningCortical regionsMeasures of cognitive performanceMulticenter case-control studyBaseline hippocampal volumeRate of hippocampal volume lossStudies of neuroimagingMild cognitive impairmentCross-subject analysisAnnual rate of hippocampal volume lossAlzheimer's Disease Neuroimaging InitiativeStudy participantsDementia stagesVolume lossHippocampal volumeIndicators of ADCognitive impairmentHippocampal atrophyLongitudinal atrophy