About the Authors

Giorgio Vallortigara

To whom correspondence should be addressed. E-mail: vallorti@univ.trieste.it

Affiliation Department of Psychology and B.R.A.I.N. Centre for Neuroscience, University of Trieste, Trieste, Italy

Lucia Regolin

Affiliation Department of General Psychology, University of Padua, Padova, Italy

Fabio Marconato

Affiliation Department of General Psychology, University of Padua, Padova, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

GV and LR conceived and designed the experiments. FM performed the experiments. GV, LR, and FM analyzed the data. FM contributed reagents/materials/analysis tools. GV and LR wrote the paper.