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Semantic Memory Organization in Second Graders and Adults.
1a University of Winnipeg.
The Journal of General Psychology
|December 2, 2015
Summary
Second-grade children and adults show similar semantic memory organization. Both groups experienced more interference from within-category words, suggesting conceptual categories guide memory retrieval in young learners.
Area of Science:
- Cognitive Psychology
- Developmental Psychology
- Neuroscience
Background:
- Semantic memory organization influences information retrieval.
- Understanding how conceptual categories develop is crucial for cognitive science.
- Previous research suggests associative links are key, but categorical structures also play a role.
Purpose of the Study:
- To investigate semantic memory organization in second-grade children and adults.
- To compare interference effects from within-category versus cross-category words.
- To examine age-related changes in the balance of associative and categorical relationships.
Main Methods:
- Participants (adults and second-graders) performed a picture-naming task with interfering words.
- Picture-word stimuli varied in association strength (high/low) and category relationship (within/cross-category).
- Interference effects were measured by response times and accuracy.
Main Results:
- Both age groups showed significantly greater interference from within-category words compared to cross-category words.
- The patterns of associative and categorical interference were highly similar between children and adults.
- No evidence of age-related changes in the relative strength of categorical versus associative relationships was found.
Conclusions:
- Second-grade children's semantic memory is organized, at least partly, by conceptual categories.
- The findings suggest that categorical organization in semantic memory is established early and remains stable.
- Developmental changes in semantic memory may not significantly alter the relative importance of categorical and associative structures.
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