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The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
Published on: February 19, 2018
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Invariant Recognition Memory Spaces for Real-World Objects Revealed With Signal-Detection Analysis.
Igor Utochkin1, Daniil Azarov2, Daniil Grigorev3,4
1Institute for Mind and Biology, University of Chicago.
Psychological Science
|October 23, 2025
Summary
Recognition memory relies on distinguishing targets from foils. This study shows that the psychological space used for recognition decisions remains stable, even with changes in retrieval context or memory strength.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Psychophysics
Background:
- Recognition memory involves differentiating between old and new items.
- Memory models use inter-item distances in psychological spaces to explain confusability.
- Retrieval context, including foils, influences recognition accuracy.
Purpose of the Study:
- To investigate how recognition memory spaces are affected by changes in retrieval context (additional foils).
- To examine the impact of varying target memory strength on recognition spaces.
- To test the metric invariance of psychological spaces in recognition decisions.
Main Methods:
- Employed signal-detection modeling with a large adult sample (N = 1,311).
- Analyzed distances (d's) between targets and foils under different conditions.
- Compared predicted inter-item distances with observed distances.
Main Results:
- Distances measured individually between targets and foils linearly predicted distances when all foils were presented together.
- This predictive relationship remained accurate despite changes in memory strength.
- Found strong evidence for metric invariance in recognition decision spaces.
Conclusions:
- Recognition decision spaces exhibit metric invariance across varying retrieval contexts and memory strengths.
- The structure of psychological spaces used for recognition is robust.
- Findings support the stability of memory representations during recognition tasks.
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