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  Learning under uncertainty changes during adolescence

Xia, L., Master, S., Eckstein, M., Wilbrecht, L., & Collins, A. (2020). Learning under uncertainty changes during adolescence. In S. Denison, M. Mack, Y. Xu, & B. Armstrong (Eds.), 42nd Annual Meeting of the Cognitive Science Society (CogSci 2020): 5Developing a Mind: Learning in Humans, Animals, and Machines (pp. 716-722). Red Hook, NY, USA: Curran.

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 Creators:
Xia, L, Author
Master, SL1, 2, Author              
Eckstein, M, Author
Wilbrecht, L, Author
Collins, AGE, Author
Affiliations:
1Department of Computational Neuroscience, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_3017468              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: As we transition from child to adult, we navigate the worlddifferently. In this world, many of the relationships betweenevents are unclear or uncertain because they are probabilisticin nature. We wanted to know how learning about probabilis-tic relationships changes with development and to interrogatethe underlying processes. We investigated these questions in aprobabilistic reinforcement learning task (The Butterfly Task)with 302 participants aged 8-30. We found performance in thistask increased with age through early-twenties, then stabilized.Using hierarchical Bayesian methods to fit computational rein-forcement learning models, we showed that this performanceincrease was driven by 1) an increase in learning rate (i.e. de-crease in integration time horizon); 2) a decrease in exploratorychoices. By contrast, forgetting rates did not change with age.We discuss our findings in the context of other studies and hy-potheses about adolescent brain development.

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 Dates: 2020-072020-11
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
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Title: 42nd Annual Virtual Meeting of the Cognitive Science Society (CogSci 2020)
Place of Event: Toronto, Canada
Start-/End Date: 2020-07-29 - 2020-08-01

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Title: 42nd Annual Meeting of the Cognitive Science Society (CogSci 2020): 5Developing a Mind: Learning in Humans, Animals, and Machines
Source Genre: Proceedings
 Creator(s):
Denison, S, Editor
Mack, M, Editor
Xu, Y, Editor
Armstrong, BC, Editor
Affiliations:
-
Publ. Info: Red Hook, NY, USA : Curran
Pages: 3569 Volume / Issue: - Sequence Number: - Start / End Page: 716 - 722 Identifier: ISBN: 978-1-7138-1897-7