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.
Acute metyrapone treatment did not impair animal’s ability to express fear. Metyrapone treatment did not reduce freezing after three unknown and potentially threatening tone presentations. VEH = vehicle group (n = 10); MET = metyrapone group (n = 10). § P < 0.05, comparing pre and post-tone.
