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Updated: May 31, 2026
11:01
Examining the Characteristics of Episodic Memory using Event-related Potentials in Patients with Alzheimer's Disease
Published on: August 30, 2011
Distinct and shared cognitive functions mediate event- and time-based prospective memory impairment in normal ageing
Julie Gonneaud1, Grégoria Kalpouzos, Laëtitia Bon
1Inserm-EPHE-Université de Caen/Basse-Normandie, Caen, France.
Memory (Hove, England)
|June 17, 2011
Summary
Prospective memory (PM) declines with normal aging, with event-based PM more affected than time-based PM. Both rely on inhibition and processing speed, but differ in other cognitive links.
Area of Science:
- Cognitive Psychology
- Neuroscience of Aging
Background:
- Prospective memory (PM) is crucial for daily functioning.
- PM involves remembering future intentions and is multidimensional.
- Cognitive functions supporting PM decline with normal aging.
Purpose of the Study:
- Investigate the cognitive underpinnings of prospective memory decline in normal aging.
- Examine event-based and time-based PM across different cognitive loads.
- Identify specific cognitive correlates for distinct PM types.
Main Methods:
- Assessed event- and time-based prospective memory under varying cognitive loads.
- Evaluated executive functions, working memory, and retrospective episodic memory.
- Included healthy participants across the adult lifespan.
Main Results:
- Normal aging is associated with prospective memory decline in all tested conditions.
- Event-based PM showed greater age-related decline than time-based PM.
- PM performance was consistently linked to inhibition and processing speed, with event-based PM also involving binding and retrospective memory, while time-based PM relied more on inhibition.
Conclusions:
- Prospective memory abilities decline with age, with event-based tasks being more vulnerable.
- Distinct cognitive processes underpin event-based and time-based prospective memory.
- Inhibition and processing speed are key shared mechanisms, while other functions like binding and retrospective memory are more specific to event-based PM.
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