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Investigating storage and retrieval processes of directed forgetting: A model-based approach
Jan Rummel1, Ivan Marevic1, Beatrice G Kuhlmann2
1Department of Psychology, Heidelberg University.
Summary
Intentional forgetting, or directed forgetting, improves memory for desired information by enhancing storage. However, forgetting instructions impact memory retrieval differently depending on the presentation method used.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human Memory
Background:
- Intentional forgetting is a key human cognitive ability, but its underlying mechanisms remain unclear.
- The presentation method (list vs. item) may influence whether forgetting affects memory storage or retrieval.
Purpose of the Study:
- To investigate the cognitive processes behind directed forgetting using list- and item-methods.
- To differentiate between memory costs and benefits of directed forgetting within each method.
Main Methods:
- Utilized a multinomial modeling approach to analyze memory performance.
- Compared directed forgetting effects across list-method and item-method presentation formats.
Main Results:
- Directed forgetting benefits stemmed from enhanced storage of to-be-remembered items in both methods.
- List-method forgetting costs were linked to reduced retrieval.
- Item-method forgetting costs involved both reduced storage and reduced retrieval.
Conclusions:
- Directed forgetting benefits are consistently mediated by improved memory storage.
- Item-method directed forgetting involves retrieval processes, challenging the dominant storage-focused view.
- Findings necessitate revisions to current theories of directed forgetting.
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