Semantic Memory and Creativity: The Costs and Benefits of Semantic Memory Structure in Generating Original Ideas
Roger E Beaty1, Yoed N Kenett2, Richard W Hass3
1Department of Psychology, Pennsylvania State University, University Park, PA.
Thinking & Reasoning
|April 28, 2023
Summary
Semantic richness impacts idea generation. Sparse concepts boost originality but reduce fluency, while rich concepts do the opposite. Fluid intelligence can overcome sparse knowledge limitations.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Creativity Research
Background:
- Understanding the relationship between semantic memory structure and creative idea production is crucial.
- The influence of semantic richness on both the quantity and quality of creative output remains underexplored.
Purpose of the Study:
- To investigate how semantic richness, indexed by cue set-size, affects idea fluency and originality.
- To explore the moderating role of fluid intelligence in the relationship between semantic richness and creativity.
Main Methods:
- Utilized the alternate uses task (AUT) with varying cue set-sizes (low vs. high association).
- Measured response quantity (fluency) and quality (originality).
- Assessed individual differences in fluid intelligence.
Main Results:
- Low-association (sparse) AUT cues enhanced originality at the expense of fluency.
- High-association (rich) AUT cues yielded higher fluency but lower originality.
- An interaction was observed: fluid intelligence moderated the effect of low-association cues on originality.
Conclusions:
- Semantic richness has differential effects on the quantity and quality of creative ideas.
- Cognitive control, particularly fluid intelligence, can mitigate the constraints of limited semantic knowledge.
- Findings highlight the complex interplay between semantic memory, cognitive control, and creative cognition.
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