Bard, Kim A. http://orcid.org/0000-0002-7956-839X
Maguire-Herring, Vanessa
Tomonaga, Masaki
Matsuzawa, Tetsuro
Funding for this research was provided by:
MEXT-KAKENHI (07102010, 12002009, 16002001, 20002001, 24000001, 16H06283)
JSPS (U04-PWS)
Japan Society for the Promotion of Science (CCSN)
MEXT/JSPS-KAKENHI (16300084, 19300091, 23220006, 15H05709)
NBRP-GAIN
Article History
Received: 26 January 2017
Revised: 20 September 2017
Accepted: 3 October 2017
First Online: 24 October 2017
Compliance with ethical standards
:
: VM, MT, TM, and KAB do not have any conflicts of interest. TM is on the Editorial Board of Animal Cognition, and KAB is an Associate Editor of Animal Cognition, but neither had any editorial involvement with this article.
: This study used videotaped observations of chimpanzees. All procedures performed in other studies with chimpanzees were in accordance with the ethical standards of Kyoto University and national research committees in Japan. All applicable international, national, and institutional guidelines for the care and use of the chimpanzees were followed by the Primate Research Institute, Kyoto University. This article does not contain any studies with human participants performed by any of the authors.