Acknowledgments

This research was supported by a grant of the Agence Nationale de la Recherche (ANR-ZR81). V. Chambon and P. Domenech were supported by scholarships from the French Ministry of Research. This research was approved by the local Ethical Committee (B80631-60). The authors report no competing interests. We are grateful to Mathilde Vernet, Juliette Sablier and Mariia Kaliuzhna for their help in preparing the stimuli. We also wish to thank Coralie Chevallier, Hugo Mercier, Nicolas Baumard, and Guillaume Barbalat for their helpful comments and suggestions on an earlier draft of this article.