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.
An example of a prototypical facial expression embedded on a fearful body context. Image from Pictures of Facial Affect, by P. Ekman and W. V. Friesen, 1976, Palo Alto, CA: Consulting Psychologists Press. Copyright 1976 by P. Ekman and W. V. Friesen. Reproduced with permission from the Paul Ekman Group.
