Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Action classes in the main experiment: manipulative (A, red), skin‐related (B, blue), and interpersonal actions (C, green). Frames from action videos: using the right hand (left) or both hands (right). Yellow dot: fixation point, above or below action target.
