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Published on: August 25, 2023
Too exhausted to remember: ego depletion undermines subsequent event-based prospective memory
Jian-Bin Li1, Yan-Gang Nie, Min-Xia Zeng
1a Department of Psychology , Guangzhou University , Guangzhou , China.
Summary
Exerting self-control impairs event-based prospective memory (EBPM) performance. This ego depletion effect on memory is linked to prospective, not retrospective, components.
Area of Science:
- Cognitive Psychology
- Neuroscience
Background:
- Previous research indicates self-control exertion negatively impacts high-level cognitive tasks.
- The effect of ego depletion on prospective memory remains underexplored.
Purpose of the Study:
- To investigate the impact of ego depletion on event-based prospective memory (EBPM).
- To examine the role of self-control resources and executive control in prospective memory performance.
Main Methods:
- Ego depletion was induced via a visual attention task or a Stroop task.
- Participants completed an ongoing task with embedded EBPM tests.
- Intervening variables such as mood and task characteristics were controlled.
Main Results:
- Participants in the high-depletion condition showed significantly worse EBPM performance.
- The impairment was primarily attributed to the prospective component of memory.
- No significant impact was observed on the retrospective component.
Conclusions:
- Ego depletion significantly undermines event-based prospective memory.
- The findings support the self-control strength model and its implications for executive functions.
- Future research should explore interventions to mitigate ego depletion effects on memory.
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