About the Authors
- Lesley J. Rogers
- Centre for Neuroscience and Animal Behaviour, University of New England, Armidale, Australia
- Giorgio Vallortigara
- Centre for Mind/Brain Sciences, University of Trento, Rovereto, Italy
The authors have declared that no competing interests exist.
Conceived and designed the experiments: GV LR. Performed the experiments: GV LR. Analyzed the data: GV LR. Wrote the paper: GV LR.