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. 2020 Nov 20;14:578564. doi: 10.3389/fnhum.2020.578564

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Copyright © 2020 Vachez and Creed.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Experiments investigating STN-DBS effects on reward-related behavior. Graphical representation of experiments assessing the effects of STN-DBS on reward-related behavior. Experiments are split according the task and the reward provided, and whether the main effect was an increase (green frames), decrease (red frames) or no change (black frames) in motivational state induced by STN-DBS. FR, Fixed ratio; PR, progressive ratio.