Stress enhances model-free reinforcement learning only after negative outcome.

Previous studies found that stress shifts behavioral control by promoting habits while decreasing goal-directed behaviors during reward-based decision-making. It is, however, unclear how stress disrupts the relative contribution of the two systems controlling reward-seeking behavior, i.e. model-free...

Full description

Bibliographic Details
Main Authors: Heyeon Park, Daeyeol Lee, Jeanyung Chey
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2017-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC5516979?pdf=render