2023
Connectome-based predictive modeling shows sex differences in brain-based predictors of memory performance
Ju S, Horien C, Shen X, Abuwarda H, Trainer A, Constable R, Fredericks C. Connectome-based predictive modeling shows sex differences in brain-based predictors of memory performance. Frontiers In Dementia 2023, 2: 1126016. PMID: 39082002, PMCID: PMC11285565, DOI: 10.3389/frdem.2023.1126016.Peer-Reviewed Original ResearchDefault mode networkConnectome-based predictive modelingMemory performanceMemory taskMemory scoresShort-term memory performanceBrain-based predictorsShort-term memoryPosterior default mode networkAmnestic Alzheimer's diseaseRecollective memoryDMN activityMode networkVisual networkPast researchSex-specific modelsVisual circuitryAlzheimer's diseaseSex differencesMemoryDifferent circuitryTaskElevated riskMachine learning approachesNetwork activity
2021
Association of CSF Biomarkers With Hippocampal-Dependent Memory in Preclinical Alzheimer Disease.
Trelle AN, Carr VA, Wilson EN, Swarovski MS, Hunt MP, Toueg TN, Tran TT, Channappa D, Corso NK, Thieu MK, Jayakumar M, Nadiadwala A, Guo W, Tanner NJ, Bernstein JD, Litovsky CP, Guerin SA, Khazenzon AM, Harrison MB, Rutt BK, Deutsch GK, Chin FT, Davidzon GA, Hall JN, Sha SJ, Fredericks CA, Andreasson KI, Kerchner GA, Wagner AD, Mormino EC. Association of CSF Biomarkers With Hippocampal-Dependent Memory in Preclinical Alzheimer Disease. Neurology 2021, 96: e1470-e1481. PMID: 33408146, PMCID: PMC8055319, DOI: 10.1212/wnl.0000000000011477.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAgingAlzheimer DiseaseAmyloid beta-PeptidesAssociation LearningBiomarkersCross-Sectional StudiesCuesDiscrimination, PsychologicalFemaleHippocampusHumansMaleMemoryMemory DisordersMemory, EpisodicMental RecallMiddle AgedNeuropsychological TestsPeptide FragmentsPsychomotor PerformanceTau ProteinsConceptsMemory taskHippocampal functionMnemonic discrimination taskMnemonic discrimination performanceUnimpaired older adultsHippocampal-dependent memoryPreclinical Alzheimer's diseaseEpisodic memoryPreclinical AD pathologyIndividual differencesMemory assessmentMemory performanceDiscrimination taskTask difficultyAssociative memoryDiscrimination performanceSingle batch analysisCross-sectional relationshipMemory studiesOlder adultsMemoryAlzheimer's disease biomarkersCSF β-amyloidElevated p-tauRecall
2020
Hippocampal and cortical mechanisms at retrieval explain variability in episodic remembering in older adults
Trelle AN, Carr VA, Guerin SA, Thieu MK, Jayakumar M, Guo W, Nadiadwala A, Corso NK, Hunt MP, Litovsky CP, Tanner NJ, Deutsch GK, Bernstein JD, Harrison MB, Khazenzon AM, Jiang J, Sha SJ, Fredericks CA, Rutt BK, Mormino EC, Kerchner GA, Wagner AD. Hippocampal and cortical mechanisms at retrieval explain variability in episodic remembering in older adults. ELife 2020, 9: e55335. PMID: 32469308, PMCID: PMC7259949, DOI: 10.7554/elife.55335.Peer-Reviewed Original ResearchConceptsHippocampal pattern completionCortical reinstatementEpisodic memoryHippocampal activityOlder adultsPattern completionAge-related episodic memory declineTrial-unique associationsTrial-wise analysesEpisodic memory declineNormal older adultsEpisodic rememberingFMRI indicesMemory variabilityIndividual differencesUnique varianceAssociative retrievalMemory declineCortical mechanismsFMRI dataReinstatementMemoryAdultsRetrievalRemembering
2018
P4‐322: THE CONTRIBUTION OF EARLY ALZHEIMER'S DISEASE MARKERS TO INDIVIDUAL DIFFERENCES IN EPISODIC MEMORY IN COGNITIVELY NORMAL OLDER ADULTS
Trelle A, Bernstein J, Carr V, Deutsch G, Fredericks C, Guerin S, Guo W, Harrison M, Jayakumar M, Jiang J, Kerchner G, Khazhenzon A, Litovsky C, Mormino B, Nadiadwala A, Sha S, Tanner N, Thieu M, Wagner A. P4‐322: THE CONTRIBUTION OF EARLY ALZHEIMER'S DISEASE MARKERS TO INDIVIDUAL DIFFERENCES IN EPISODIC MEMORY IN COGNITIVELY NORMAL OLDER ADULTS. Alzheimer's & Dementia 2018, 14: p1585-p1585. DOI: 10.1016/j.jalz.2018.07.145.Peer-Reviewed Original Research