التفاصيل البيبلوغرافية
| العنوان: |
Explicit knowledge of task structure is a primary determinant of human model-based action |
| المؤلفون: |
Pedro Castro-Rodrigues, Thomas Akam, Ivar Snorasson, Marta Camacho, Vitor Paixão, Ana Maia, J. Bernardo Barahona-Corrêa, Peter Dayan, H. Blair Simpson, Rui M. Costa, Albino J. Oliveira-Maia |
| المصدر: |
Nature, Nature Human Behaviour. 6(8):1126-1141 |
| سنة النشر: |
2022 |
| الوصف: |
Explicit information obtained through instruction profoundly shapes human choice behaviour. However, this has been studied in computationally simple tasks, and it is unknown how model-based and model-free systems, respectively generating goal-directed and habitual actions, are affected by the absence or presence of instructions. We assessed behaviour in a variant of a computationally more complex decision-making task, before and after providing information about task structure, both in healthy volunteers and in individuals suffering from obsessive-compulsive or other disorders. Initial behaviour was model-free, with rewards directly reinforcing preceding actions. Model-based control, employing predictions of states resulting from each action, emerged with experience in a minority of participants, and less in those with obsessive-compulsive disorder. Providing task structure information strongly increased model-based control, similarly across all groups. Thus, in humans, explicit task structural knowledge is a primary determinant of model-based reinforcement learning and is most readily acquired from instruction rather than experience. |
| نوع الوثيقة: |
redif-article |
| اللغة: |
English |
| DOI: |
10.1038/s41562-022-01346 |
| الإتاحة: |
https://ideas.repec.org/a/nat/nathum/v6y2022i8d10.1038_s41562-022-01346-2.html |
| رقم الأكسشن: |
edsrep.a.nat.nathum.v6y2022i8d10.1038.s41562.022.01346.2 |
| قاعدة البيانات: |
RePEc |
