About the Authors
- Pier F Ferrari
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*To whom correspondence should be addressed. E-mail: ferrari@biol.unipr.it
Affiliations Dipartimento di Biologia Evolutiva e Funzionale, Università di Parma, Parma, Italy , Dipartimento di Neuroscienze, Università di Parma, Parma, Italy
- Elisabetta Visalberghi
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Affiliation Istituto di Scienze e Tecnologie della Cognizione, National Research Council, Rome, Italy
- Annika Paukner
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Affiliation Laboratory of Comparative Ethology, The National Institute of Child Health and Human Development, Bethesda, Maryland, United States of America
- Leonardo Fogassi
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Affiliations Dipartimento di Neuroscienze, Università di Parma, Parma, Italy , Dipartimento di Psicologia, Università di Parma, Parma, Italy
- Angela Ruggiero
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Affiliation Laboratory of Comparative Ethology, The National Institute of Child Health and Human Development, Bethesda, Maryland, United States of America
- Stephen J Suomi
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Affiliation Laboratory of Comparative Ethology, The National Institute of Child Health and Human Development, Bethesda, Maryland, United States of America
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.