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The relationship between skill learning and repetition priming: experimental and computational analyses
R A Poldrack1, S L Selco, J E Field
1Department of Psychology, University of Illinois at Urbana-Champaign, USA. poldrack@psych.stanford.edu
Journal of Experimental Psychology. Learning, Memory, and Cognition
|February 9, 1999
Summary
Skill learning and repetition priming are not separate memory systems. Both are aspects of a single incremental learning mechanism, as shown by digit entering tasks and computational models.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Computational Modeling
Background:
- Skill learning and repetition priming are often considered to be supported by distinct memory systems.
- This view suggests a dichotomy between item-specific priming and general skill learning.
Purpose of the Study:
- To investigate the relationship between skill learning and repetition priming.
- To determine if these phenomena can be explained by a single memory system.
Main Methods:
- Three experiments used a digit entering task with unique and repeated 5-digit strings.
- Participants with varying skill levels performed the task.
- Two computational models were developed to simulate the observed effects.
Main Results:
- Both skill learning and repetition priming were evident across different skill levels.
- Performance indicated learning effects at multiple levels of stimulus structure.
- Computational models demonstrated that dissociations can arise within a single memory system.
Conclusions:
- The findings challenge the notion of separate memory systems for skill learning and priming.
- Skill learning and priming are proposed to be facets of a unified incremental learning mechanism.