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. 2023 Oct 6;23:722. doi: 10.1186/s12888-023-05229-2

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© The Author(s) 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 3 — Procedure of the Monetary Incentive Delay task (baseline block not shown). The incentive block will consist of incentive trials and control trials. In each trial, participants will need to respond as fast and as correctly as possible to triangles or squares. During incentive trials (indicated by a circle with a horizontal line), they will be able to keep or lose points that will later be transferred to financial earnings. If they respond correctly and faster than during the baseline block, they will not lose a point (indicated by a centime coin). If they respond incorrectly or not fast enough, they will lose a point (indicated by a centime coin with a red cross). During control trials, it will not be possible to receive points, but participants will still receive feedback whether they responded correctly