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Attention to event segmentation improves memory in young adults: A lifespan study
Maverick E Smith1, Christopher S Hall1, Rachel Membreno1
1Department of Psychological and Brain Sciences, Washington University in St. Louis.
Psychology and Aging
|August 22, 2024
Summary
Attending to event segmentation improves memory recall in young and middle-aged adults. However, this memory enhancement strategy is ineffective for older adults over 70.
Area of Science:
- Cognitive Psychology
- Human Memory
- Lifespan Development
Background:
- Everyday activities are naturally segmented into meaningful events.
- Task goals can modify this event segmentation process.
- Previous research shows event segmentation improves memory in young adults.
Purpose of the Study:
- To investigate if attending to event segmentation improves memory across the lifespan.
- To examine memory recall and recognition after a 1-week and 1-month delay.
- To assess the effectiveness of event segmentation as a memory intervention in different age groups.
Main Methods:
- Participants aged 20-79 watched everyday activity movies for encoding.
- Half intentionally encoded, while the other half intentionally encoded and segmented the movies into fine-grained events.
- Memory was tested via recall and recognition after 1 week and 1 month.
Main Results:
- Young adults who segmented showed improved recall at both 1 week and 1 month.
- Middle-aged adults benefited after 1 week but not 1 month.
- Older adults (over 70) showed no memory benefit from segmentation.
Conclusions:
- Event segmentation is an effective memory intervention for young and middle-aged adults, particularly with shorter delays.
- Older adults may have greater difficulty maintaining or retrieving event memories after a delay.
- Individual differences in segmentation agreement, not age, predicted memory performance.
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