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.
Social conditioned place preference arena. Two such arenas were used simultaneously for social conditioning. Each contained opposing orientations of stripes to reduce the influence of side biases. Sliding guillotine doors separated compartments.
