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A. We, T. S. Laroche, B. Poucet, M. Khamassi, A. Hay et al., Amoroso and members of the Rondi-Reig laboratory for discussions and comments on the manuscript, This work was supported by the Fondation pour la Recherche Médicale DEQ. 20120323730-France, by the National Agency for Research

B. France, H. The-ville-de-paris, and . Emergence, This work also received support under the program Investissements d' Avenir launched by the French Government and implemented by the ANR, with the references, PER-SU (LRR) ANR-10-LABX-BioPsy (LRR) and ANR-11-LABX-65-SMART (BG) The group of LRR is member of the Labex Bio-Psy and ENP Foundation. The group of BG is member of the Labex SMART. Labex are supported by French State funds managed by the ANR within the Investissements d' Avenir programme under reference ANR-11-IDEX-0004-02, BMB was funded by the Ministère de l'Enseignement Supérieur et de la Recherche, France. GV was funded by the Observatoire B2V des Mémoires

A. Contributions, L. R. Designed-the-project, B. G. Wrote-the-grants, L. R. Designed-the-experiments, A. W. Collected-the-data et al., designed the models, built them and ran the simulations