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.
Examples of affinitive behaviors considered in this study. (A) nose-body contact; (B) social touching (body contact); (C) head-over; (D) rest-in-contact; (E) nosing body. Photo (B) was extracted from a video; Photos (A,C–E) by Ivan Norscia.
