2019
Midlife Study of the Louisville Twins: Connecting Cognitive Development to Biological and Cognitive Aging
Beam CR, Turkheimer E, Finkel D, Levine ME, Zandi E, Guterbock TM, Giangrande EJ, Ryan L, Pasquenza N, Davis DW. Midlife Study of the Louisville Twins: Connecting Cognitive Development to Biological and Cognitive Aging. Behavior Genetics 2019, 50: 73-83. PMID: 31820295, PMCID: PMC7033012, DOI: 10.1007/s10519-019-09983-6.Peer-Reviewed Original ResearchConceptsLouisville Twin StudyCognitive developmentCognitive agingCognitive functioningCognitive developmental trajectoriesLongitudinal Twin StudyTwin studiesPhysical health factorsEpisodic memoryLower biological ageFunctional ability measuresIQ measuresAbility measuresDevelopmental trajectoriesFSIQ scoresMidlife phaseMidlife studyPhysical functioningFunctional abilityChronological ageFunctioningPsychiatric outcomesSecond pilot studySecond studyIQ
2018
Predictors and implications of accelerated cognitive aging
Levine ME, Harrati A, Crimmins EM. Predictors and implications of accelerated cognitive aging. Biodemography And Social Biology 2018, 64: 83-101. PMID: 31007841, PMCID: PMC6469682, DOI: 10.1080/19485565.2018.1552513.Peer-Reviewed Original ResearchConceptsCognitive ageCognitive agingCognitive declineNon-demented older adultsPathological cognitive declineAge-related declineIndividual differencesCognitive slopesOlder adultsLongitudinal studyComposite measureRetirement StudyAPOE ε4Performance testsDementia transitionSubsequent dementiaDementiaMeasuresRate of declineParticipantsAgingDeclineDifferent conclusionsRace/ethnicityAbsolute levels