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The impact of retrieval suppression on conceptual implicit memory.
Assaf Taubenfeld1, Michael C Anderson2, Daniel A Levy1
1a Baruch Ivcher School of Psychology , Interdisciplinary Center Herzliya , Herzliya , Israel.
Memory (Hove, England)
|December 8, 2018
Summary
Retrieval suppression, the act of intentionally forgetting memories, impairs implicit memory. This forgetting effect extends to conceptual implicit memory, impacting semantic category verification tasks.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Memory Research
Background:
- Retrieval suppression can cause forgetting of episodic memories.
- Prior research suggests retrieval suppression affects unintentional memory retrieval on perceptual tests.
Purpose of the Study:
- To investigate the impact of retrieval suppression on conceptual implicit memory.
- To determine if suppressing memory retrieval affects semantic representations.
Main Methods:
- Participants studied cue-target word pairs from 22 semantic categories.
- Targets were either retrieved or suppressed in response to cues.
- A category verification task was used to assess implicit memory for targets.
Main Results:
- Repetition priming effects were observed for studied words.
- Suppression of retrieval eliminated the priming benefit for previously studied targets.
- Explicit memory tests confirmed ongoing disruption of episodic recall after re-exposure.
Conclusions:
- Retrieval suppression affects conceptual implicit memory, not just episodic memory.
- The findings suggest that retrieval suppression may alter underlying semantic representations.
- The impact of retrieval suppression extends to conceptually-oriented indirect memory tests.
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