About the Authors
- Fernando Guerrieri, Marco Schubert, Jean-Christophe Sandoz, Martin Giurfa
- Centre de Recherches sur la Cognition Animale, CNRS, Université Paul-Sabatier (UMR 5169), Toulouse, France
The authors have declared that no competing interests exist.
MG and JCS conceived and designed the experiments. FG and MS performed the experiments. FG, MS, and JCS analyzed the data. MG, FG, MS, and JCS wrote the paper.