An official website of the United States government
Here's how you know
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.
Experiment 1. Experimental design (A) and mean percent total time spent freezing (B). IL-Ptx reduced freezing in a conditioned context (Day 1) and this single activation enhanced the rate of extinction (Days 2 through 4). Bars, SE.