Funding for this research was provided by:
Deutsche Forschungsgemeinschaft
Volkswagen Foundation (Towards a Grammar of Gesture: Evolution, Brain, and Linguistic Structures (ToGoG), #II/82175)
Article History
Received: 6 March 2017
Revised: 9 April 2018
Accepted: 30 April 2018
First Online: 9 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.