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The modulation of acute stress on model-free and model-based reinforcement learning in gambling disorder.

par Wyckmans, Florent ;Banerjee, Nilosmita ;Saeremans, Mélanie ;Otto, Ross;Kornreich, Charles ;Vanderijst, Laetitia ;Gruson, Damien;Carbone, Vincenzo;Bechara, Antoine;Buchanan, Tony;Noël, Xavier
Référence Journal of behavioral addictions, 11, 3, page (831-844)
Publication Publié, 2022-09

Article révisé par les pairs

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Résumé :

Experiencing acute stress is common in behavioral addictions such as gambling disorder. Additionally, like most substance-induced addictions, aberrant decision-making wherein a reactive habit-induced response (conceptualized as a Model-free [MF] in reinforcement learning) suppresses a flexible goal-directed response (conceptualized as a Model-based [MB]) is also common in gambling disorder. In the current study we investigated the influence of acute stress on the balance between habitual response and the goal-directed system.