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. 2020 Sep 14;10:15008. doi: 10.1038/s41598-020-71858-2

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© The Author(s) 2020

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/.

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Experimental phases. After learning pairs consisting of pictures of an object (here represented with shapes) and a scene (here represented with neutral and sad faces), participants performed the Think/No-Think (TNT) task. The associated scene had either a neutral or a negative valence. For Think items (in green), participants recalled the associated scene. For No-Think items (in red), they tried to prevent the scene from entering awareness. The baseline items (in blue) were not presented during the TNT task. We recorded subjective valence ratings and cardiac responses to the scenes before and after the TNT task (pre-TNT and post-TNT assessments). A recall task was also administered after the TNT phase, to estimate memory suppression. Supplementary Fig. 1 details the methodological differences between Studies 1 and 2.