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Published on: June 14, 2019
Offloading reduces prospective memory learning
Craig Fellers1, Benjamin C Storm1
1Department of Psychology, University of California, Santa Cruz.
Summary
Cognitive offloading using external reminders can improve prospective memory (PM) task performance. However, this strategy may impair future PM performance when reminders are removed, highlighting potential cognitive costs.
Area of Science:
- Cognitive Psychology
- Human Memory Studies
Background:
- Prospective memory (PM) is crucial for daily functioning.
- Cognitive offloading, using external aids, is a common strategy to manage cognitive load.
Purpose of the Study:
- To investigate the impact of cognitive offloading on prospective memory performance.
- To examine the long-term effects of using external reminders on PM.
Main Methods:
- Two experiments were conducted with participants performing PM tasks.
- Conditions included dual PM (internal memory only) and offload (using external reminders for one task).
- Performance was assessed during reminder use and after their removal.
Main Results:
- External reminders improved performance on the offloaded PM task.
- No improvement was observed for concurrent, non-offloaded PM tasks.
- Removing reminders led to significantly impaired performance on previously offloaded PM tasks, below baseline.
Conclusions:
- Cognitive offloading can enhance immediate task performance.
- Reliance on external reminders may undermine the internal cognitive processes supporting PM.
- This suggests a potential trade-off between immediate gains and long-term cognitive capacity in PM.
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