The developmental trajectories of generalization and discrimination in reinforcement learning reflect multiple underlying cognitive processes
Behavioral Neuroscience
Judgment and Decision Making
Cognitive Development
Cognitive Neuroscience
Developmental Psychology
Cognitive Psychology
Learning
Social and Behavioral Sciences
Neuroscience
DOI:
10.31234/osf.io/kvu7c_v2
Publication Date:
2025-01-29T01:02:48Z
AUTHORS (10)
ABSTRACT
A hallmark of human intelligence is the ability to appropriately generalize past experiences new scenarios. Organizing concepts into categories allows brain learned stimulus-reward contingencies stimuli within same category. However, when category membership does not fully predict associated rewards, needs balance generalizing values and discriminating value differences among individual items. How do generalization discrimination in reward learning develop throughout lifespan as semantic knowledge gradually acquired? Using a probabilistic task with hierarchical structure organized by categories, we found children can based on at least early three four years old. Furthermore, age-related performance improvement explained combination increased decision certainty, decreased initial exploration, change memory retention, reduced categorical rate.
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