About the Authors
- Dorothy M. Fragaszy, Qing Liu, Angellica Allen, Callie Welch Brown
- Department of Psychology, University of Georgia, Athens, Georgia, United States of America
- Barth W. Wright
- Department of Anatomy, Kansas City University of Medicine and Biosciences, Kansas City, Missouri, United States of America
- Elisabetta Visalberghi
- Unit of Cognitive Primatology, Institute of Science and Technology of Cognition, National Research Council, Rome, Italy
The authors have declared that no competing interests exist.
Conceived and designed the experiments: DF BW EV. Performed the experiments: QL DF EV. Analyzed the data: CWB AA DF QL. Wrote the paper: DF.