About the Authors

Pier F Ferrari
Dipartimento di Biologia Evolutiva e Funzionale, Università di Parma, Parma, Italy

Pier F Ferrari, Leonardo Fogassi
Dipartimento di Neuroscienze, Università di Parma, Parma, Italy

Elisabetta Visalberghi
Istituto di Scienze e Tecnologie della Cognizione, National Research Council, Rome, Italy

Annika Paukner, Angela Ruggiero, Stephen J Suomi
Laboratory of Comparative Ethology, The National Institute of Child Health and Human Development, Bethesda, Maryland, United States of America

Leonardo Fogassi
Dipartimento di Psicologia, Università di Parma, Parma, Italy

Corresponding Author

ferrari@biol.unipr.it

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

PFF, EV, LF, and SJS conceived and designed the experiments. PFF, EV, and AR performed the experiments. PFF and AP analyzed the data. PFF, EV, and SJS wrote the paper.