About the Authors

Anthony F. Morse

anthony.morse@plymouth.ac.uk

Affiliation Cognition Institute, Center for Robotics and Neural Systems, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, United Kingdom

Viridian L. Benitez

Affiliation Department of Psychology, University of Wisconsin-Madison, 1202 W. Johnson St., Madison, WI 53706, United States of America

Tony Belpaeme

Affiliation Cognition Institute, Center for Robotics and Neural Systems, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, United Kingdom

Angelo Cangelosi

Affiliation Cognition Institute, Center for Robotics and Neural Systems, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, United Kingdom

Linda B. Smith

Affiliation Psychological and Brain Sciences, Indiana University, 1101 East Tenth Street, Bloomington, IN 47405-7007, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AFM VLB TB AC LBS. Performed the experiments: AFM VLB. Analyzed the data: AFM VLB LBS. Contributed reagents/materials/analysis tools: AC LBS. Wrote the paper: AFM VLB LBS.