Funding for this research was provided by:
The University of Tokyo
Article History
Received: 23 April 2025
Accepted: 22 January 2026
First Online: 13 February 2026
Declarations
:
: Our experiment complied with the Guidelines for Research in Human Participants, and was approved by the Human Research Ethics Committee of Primate Research Institute, Kyoto University (Permit No. 2018-03). Note that three of the authors (MI, TM, and HK) are now affiliated with different institution; however, all data reported here were collected during their affiliation with Kyoto University.
: Written informed consent was obtained from all participants before the experiment commenced.
: The authors have no competing interests to declare that are relevant to the content of this article.