2024
DOI: 10.1101/2024.01.31.24302097
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Greater reliance on model-free learning in adolescent anorexia nervosa: An examination of dual-system reinforcement learning

Carina S. Brown,
Sean Devine,
A. Ross Otto
et al.

Abstract: Alterations in learning and decision-making systems are thought to contribute to core features of anorexia nervosa (AN), a psychiatric disorder characterized by persistent dietary restriction and weight loss. Instrumental learning theory identifies a dual-system of habit and goal-directed decision-making, linked to model-free and model-based reinforcement learning algorithms. Difficulty arbitrating between these systems, resulting in an over-reliance on one strategy over the other, has been implicated in compu… Show more

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