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Is Rehearsal an Effective Maintenance Strategy for Working Memory?
1Department of Psychology, University of Zurich, CH-8050 Zurich, Switzerland.
Trends in Cognitive Sciences
|July 15, 2019
Summary
Rehearsal strategies like articulatory, refreshing, and elaborative rehearsal show weak evidence for maintaining information in working memory, especially in adults. These findings challenge the common assumption of rehearsal
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human Memory
Background:
- Working memory is crucial for cognitive tasks.
- Maintenance of information is theorized to involve rehearsal.
- Three common rehearsal strategies are articulatory, refreshing, and elaborative.
Purpose of the Study:
- To review the effectiveness of different rehearsal strategies in working memory.
- To evaluate the empirical evidence supporting the role of rehearsal in information maintenance.
Main Methods:
- Systematic review of experimental studies on working memory rehearsal.
- Analysis of findings from manipulations of articulatory rehearsal, attention-based refreshing, and elaborative rehearsal.
Main Results:
- Articulatory rehearsal benefits working memory in children, but not adults.
- Attention-based refreshing shows prioritization but minimal overall working memory benefit.
- Elaborative rehearsal enhances long-term memory but not working memory capacity.
Conclusions:
- The evidence for rehearsal's effectiveness in working memory is surprisingly weak.
- Rehearsal may not play a significant causal role in maintaining information in adult working memory.
- Further research is needed to understand adult working memory maintenance mechanisms.
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