2008
Refreshing One of Several Active Representations: Behavioral and Functional Magnetic Resonance Imaging Differences between Young and Older Adults
Raye CL, Mitchell KJ, Reeder JA, Greene EJ, Johnson MK. Refreshing One of Several Active Representations: Behavioral and Functional Magnetic Resonance Imaging Differences between Young and Older Adults. Journal Of Cognitive Neuroscience 2008, 20: 852-862. PMID: 18201130, DOI: 10.1162/jocn.2008.20508.Peer-Reviewed Original ResearchConceptsVentral frontal cortexActive representationOlder adultsFrontal cortexIrrelevant informationFunctional magnetic resonance imaging studyLeft dorsolateral frontal cortexYoung adultsDissociation of functionAge-related differencesDorsolateral frontal cortexMagnetic resonance imaging studyExecutive processesResonance imaging studyExecutive functionResponse timeNew wordsAnterior cingulateAge-related decreaseBehavioral studiesActive itemWordsCortexImaging differencesMedial area
2005
An fMRI investigation of short-term source memory in young and older adults
Mitchell KJ, Raye CL, Johnson MK, Greene EJ. An fMRI investigation of short-term source memory in young and older adults. NeuroImage 2005, 30: 627-633. PMID: 16256377, DOI: 10.1016/j.neuroimage.2005.09.039.Peer-Reviewed Original ResearchConceptsOld-new judgmentsSource memory deficitsFunctional magnetic resonance imagingOlder adultsPrefrontal cortexSource memory judgmentsPrevious fMRI findingsLateral prefrontal cortexDorsolateral prefrontal cortexSpecific source informationMemory judgmentsSource memoryRetention intervalFMRI investigationMemory procedureFMRI findingsMemory deficitsBrain areasYoung adultsJudgmentsMagnetic resonance imagingGreater activityAdultsSource informationCortex
2004
An Age-Related Deficit in Prefrontal Cortical Function Associated With Refreshing Information
Johnson MK, Mitchell KJ, Raye CL, Greene EJ. An Age-Related Deficit in Prefrontal Cortical Function Associated With Refreshing Information. Psychological Science 2004, 15: 127-132. PMID: 14738520, DOI: 10.1111/j.0963-7214.2004.01502009.x.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingLong-term memory benefitsYoung adultsOlder adultsBasic cognitive processesDorsolateral prefrontal cortexMemory benefitsCognitive processesCognitive tasksPrefrontal cortexFrontal componentReflective operationsPoor performanceAdultsDeficitsMagnetic resonance imagingFunction AssociatedResonance imagingTaskCortexItemsStrong evidenceInformation