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Learned Irrelevance and Cue Competition Using an Eriksen Flanker Task.
Melissa Tapia1, Kirkwood Meyers1, Rachel Richardson1
11 Department of Psychological Sciences, University of Missouri, Columbia, MO, USA.
Experimental Psychology
|November 12, 2016
Summary
This study explored how cues lacking predictive ability compete during learning. Findings indicate that even unpredictable cues engage in competition, influencing learning processes and outcomes.
Area of Science:
- Cognitive Psychology
- Learning Theory
- Behavioral Neuroscience
Background:
- Cue competition is a fundamental concept in associative and propositional learning theories.
- Previous research primarily focused on cues predicting outcome occurrence or absence.
- Learned irrelevance describes situations where cues fail to predict outcomes.
Purpose of the Study:
- To investigate competition among cues that lack predictive value.
- To examine learning processes when outcomes are unpredictable.
- To evaluate competition for learning outcome unpredictability.
Main Methods:
- Utilized an Eriksen flanker task paradigm.
- Manipulated subjects' inability to predict trial types (compatible/incompatible).
- Presented cues uncorrelated with specific trial types to establish lack of predictive value.
Main Results:
- Demonstrated competition between cues that possess a lack of predictive ability.
- Accuracy was affected by the competition between unpredictable cues.
- Evidence suggests competition occurs even when cues signal unpredictability.
Conclusions:
- The study provides novel insights into cue competition involving non-predictive cues.
- Findings contribute to understanding the mechanisms underlying learned irrelevance.
- Results can inform both propositional and associative models of learning.
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