2023
Association of Pathologic and Volumetric Biomarker Changes With Cognitive Decline in Clinically Normal Adults
Hanseeuw B, Jacobs H, Schultz A, Buckley R, Farrell M, Guehl N, Becker J, Properzi M, Sanchez J, Quiroz Y, Vannini P, Sepulcre J, Yang H, Chhatwal J, Gatchel J, Marshall G, Amariglio R, Papp K, Rentz D, Normandin M, Price J, Healy B, El Fakhri G, Sperling R, Johnson K. Association of Pathologic and Volumetric Biomarker Changes With Cognitive Decline in Clinically Normal Adults. Neurology 2023, 101: e2533-e2544. PMID: 37968130, PMCID: PMC10791053, DOI: 10.1212/wnl.0000000000207962.Peer-Reviewed Original ResearchConceptsAssociated with cognitive declineOlder adultsNon-AD pathologyCognitive declineHippocampal volumeCognitive dataPreclinical Alzheimer Cognitive CompositeInferior temporal tauProspective cohort studyClinically normal older adultsHarvard Aging Brain StudyPittsburgh compound B PET scansOvert cognitive impairmentAnalyzed dataNormal older adultsAging Brain StudyClinically normal adultsLongitudinal associationsAlzheimer's diseaseCohort studyMemory impairmentCognitive compositeCognitive impairmentHippocampal atrophyCognitionTau-PET abnormality as a biomarker for Alzheimer’s disease staging and early detection: a topological perspective
Ding J, Shen C, Wang Z, Yang Y, Fakhri G, Lu J, Liang D, Zheng H, Zhou Y, Sun T, Study F. Tau-PET abnormality as a biomarker for Alzheimer’s disease staging and early detection: a topological perspective. Cerebral Cortex 2023, 33: 10649-10659. PMID: 37653600, DOI: 10.1093/cercor/bhad312.Peer-Reviewed Original ResearchConceptsStandardized uptake value ratioMild cognitive impairmentBrain regionsCognitive impairmentPositron emission tomographyMedial temporal lobeAlzheimer's diseaseVisual-related regionsTopological perspectiveTau positron emission tomographyMode networkTau PET imagingTopological featuresIndependent data cohortsTemporal lobeConnection strengthExtract topological featuresTau networksAbnormal networkProgression of Alzheimer's diseaseAbnormal protein accumulation
2022
Longitudinal hippocampal atrophy is associated with cognitive decline independently of amyloid and tau in neocortex
Hanseeuw B, Jacobs H, Schultz A, Buckley R, Properzi M, Becker A, Farrell M, Sanchez J, Papp K, Yang H, Chhatwal J, Price J, Fakhri G, Rentz D, Sperling R, Johnson K. Longitudinal hippocampal atrophy is associated with cognitive decline independently of amyloid and tau in neocortex. Alzheimer's & Dementia 2022, 18 DOI: 10.1002/alz.069271.Peer-Reviewed Original Research
2021
Impact of multisession 40Hz tACS on hippocampal perfusion in patients with Alzheimer’s disease
Sprugnoli G, Munsch F, Cappon D, Paciorek R, Macone J, Connor A, El Fakhri G, Salvador R, Ruffini G, Donohoe K, Shafi M, Press D, Alsop D, Pascual Leone A, Santarnecchi E. Impact of multisession 40Hz tACS on hippocampal perfusion in patients with Alzheimer’s disease. Alzheimer's Research & Therapy 2021, 13: 203. PMID: 34930421, PMCID: PMC8690894, DOI: 10.1186/s13195-021-00922-4.Peer-Reviewed Original ResearchConceptsTemporal lobeMethodsIn two open-label studiesMild to moderate AD participantsPreclinical models of ADGamma bandBrain oscillatory activityModerate AD participantsBilateral temporal lobesEpisodic memoryAdministered 1 hSpectral power changesBrain areasModulates cerebral perfusionAD participantsPlacebo-controlled trialHippocampal perfusionModel of ADOpen-label studyNeural activityAssociated with alterationsNon-invasive countermeasureCognitive AssessmentCognitive impairmentCognitive protectionOscillatory activity
2016
Localizing Sources of Brain Disease Progression with Network Diffusion Model
Hu C, Hua X, Ying J, Thompson P, Fakhri G, Li Q. Localizing Sources of Brain Disease Progression with Network Diffusion Model. IEEE Journal Of Selected Topics In Signal Processing 2016, 10: 1214-1225. PMID: 28503250, PMCID: PMC5423678, DOI: 10.1109/jstsp.2016.2601695.Peer-Reviewed Original ResearchMild cognitive impairmentEfficient gradient descent methodGradient descent methodAlzheimer's Disease Neuroimaging InitiativeBrain connectivity networksDescent methodOrigin of dementiaDementia sourcesOrigin of Alzheimer's diseaseAlzheimer's diseaseEffective treatment of neurodegenerative diseasesDementiaMagnetic resonance imagingBrain atrophy patternsProgression of brain atrophyCognitive impairmentInverse problemNetworkSource of dementiaConnectivity networksTreatment of neurodegenerative diseasesAtrophy patterns
2014
Inferring Sources of Dementia Progression with Network Diffusion Model
Hu C, Hua X, Thompson P, El Fakhri G, Li Q. Inferring Sources of Dementia Progression with Network Diffusion Model. Lecture Notes In Computer Science 2014, 8679: 42-49. DOI: 10.1007/978-3-319-10581-9_6.Peer-Reviewed Original Research