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Context-dependent impairment of recollection in list-method directed forgetting
Maciej Hanczakowski1, Tomasz Pasek, Katarzyna Zawadzka
1Department of Psychology, University of Hull, Hull, UK. HanczakowskiM@cardiff.ac.uk
Memory (Hove, England)
|August 7, 2012
Summary
Directed forgetting impairs memory for forgotten items. However, this memory impairment is specific to tasks relying on contextual associations, not interitem associations, supporting the context-change account.
Area of Science:
- Cognitive Psychology
- Memory Research
Background:
- Directed forgetting research investigates the ability to intentionally forget specific information.
- Previous studies show impaired memory for to-be-forgotten items in recall and recognition tests.
- Existing theories, retrieval inhibition and context-change, explain directed forgetting effects.
Purpose of the Study:
- To test the context-change account's prediction regarding directed forgetting and recollection.
- To differentiate the impact of directed forgetting on memory tasks using different association types.
Main Methods:
- Examined directed forgetting using a list discrimination task (contextual associations) and an associative recognition task (interitem associations).
- Assessed memory performance in both tasks after participants were instructed to forget one list.
Main Results:
- Directed forgetting impaired performance on the list discrimination task, which relies on contextual associations.
- No significant impairment was observed in the associative recognition task, which relies on interitem associations.
- These findings align with the context-change account's predictions.
Conclusions:
- The negative impact of directed forgetting on recollection is not universal.
- Evidence supports the context-change account, suggesting directed forgetting effects depend on the type of associative information used in memory tasks.
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