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Aging-related episodic memory decline: are emotions the key?
Kiyoka Kinugawa1, Sophie Schumm, Monica Pollina
1Neurobiologie des Processus Adaptatifs, UMR 7102, Université Pierre et Marie Curie, Paris 6 Paris, France ; CNRS, UMR 7102 Paris, France ; Institut de la longévité, AP-HP Hôpital Charles Foix, Ivry-sur-Seine Paris, France.
Frontiers in Behavioral Neuroscience
|February 5, 2013
Summary
Healthy aging impairs episodic memory, affecting recollection of personal experiences. Aged individuals showed lower trait anxiety but no direct memory-anxiety correlation.
Area of Science:
- Neuroscience
- Psychology
- Gerontology
Background:
- Episodic memory, crucial for recalling personal events (what, where, when), declines with age and neurodegeneration.
- Cerebral aging significantly impacts episodic memory function.
Purpose of the Study:
- To investigate age-related changes in episodic memory performance.
- To examine the relationship between episodic memory, working memory, and anxiety levels across different age groups.
Main Methods:
- A novel episodic memory test was administered to young, middle-aged, and aged healthy adults.
- Trait and state anxiety levels were measured in all participant groups.
Main Results:
- Aged participants exhibited significantly impaired episodic memory compared to younger individuals.
- The aged group also demonstrated reduced working memory capacity and lower trait anxiety.
- No significant correlation was found between overall episodic memory scores and anxiety levels.
Conclusions:
- Episodic memory performance declines with age in healthy individuals.
- Lower trait anxiety was observed in the aged group, but its relationship to memory decline requires further investigation.
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