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Strategy Development and Feedback Processing During Complex Category Learning.
Victoria Tilton-Bolowsky1, Sofia Vallila-Rohter1, Yael Arbel1
1MGH Institute of Health Professions, Boston, MA, United States.
Frontiers in Psychology
|December 3, 2021
Summary
Feedback-based training promotes optimal learning strategies in young adults. Brain responses, specifically feedback-related negativity (FRN), indicate reduced feedback processing with single-feature strategies over time.
Area of Science:
- Cognitive Psychology
- Neuroscience
Background:
- Learners adopt diverse strategies in category learning.
- Training methods can influence the chosen learning approach.
Purpose of the Study:
- Compare learning success and strategy use between observational and feedback-based training.
- Investigate the relationship between feedback processing (FRN, P3a) and strategy use in probabilistic category learning.
Main Methods:
- 38 young adults performed a probabilistic A/B prototype category learning task.
- Training involved observational or feedback-based conditions.
- Event-related potentials (FRN, P3a) were measured during the task.
Main Results:
- More participants used a multi-cue strategy after feedback-based training compared to observational training.
- A significant interaction showed decreased FRN amplitude over time for single-feature strategy users.
- No significant effects were found for P3a amplitude.
Conclusions:
- Training modality impacts learning strategy selection.
- Feedback processing, reflected by FRN, may change with strategy use and learning.
- Individual differences in learning and feedback utilization can be further understood through neurophysiological measures.
Keywords:
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