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Updated: Jul 17, 2026
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An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing
Published on: October 25, 2019
The effect of aging in recollective experience: the processing speed and executive functioning hypothesis
Aurélia Bugaiska1, David Clarys, Caroline Jarry
1UMR-CNRS 6215 Langage, Mémoire et Développement Cognitif, Department of Psychology, Université François-Rabelais de Tours, 3 rue des Tanneurs, BP 4103, F-37041 Tours Cedex 1, France.
Consciousness and Cognition
|January 26, 2007
Summary
Aging impacts memory recollection, with older adults showing fewer "remember" responses. This effect is linked to frontal lobe integrity, not just slower processing speeds.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Gerontology
Background:
- Aging affects cognitive functions, particularly memory.
- Recognition memory involves both recollection and familiarity.
- Previous research suggests age-related declines in memory recollection.
Purpose of the Study:
- To investigate the impact of aging on the subjective experience of recognition memory.
- To test the speed mediation hypothesis versus the executive-aging hypothesis in age-related memory changes.
- To explore the neural correlates of age differences in recollection.
Main Methods:
- Employed the Remember/Know/Guess paradigm to assess recognition memory.
- Compared young and older adult groups on memory tasks.
- Administered processing speed and executive function tests, including measures of frontal lobe integrity.
Main Results:
- Older adults reported significantly fewer "remember" responses compared to younger adults.
- "Know" responses did not differ significantly between age groups.
- Hierarchical regression analysis indicated that frontal lobe integrity, not processing speed, predicted age-related differences in recollection.
Conclusions:
- Age-related decline in recollection is associated with reduced frontal lobe integrity.
- Processing speed is not the primary mediator of age effects on recollection.
- Executive functions and frontal lobe health are crucial for maintaining recollection abilities in older adults.
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