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.
Mean percent freezing (± SEM) in Experiment 3 depicted for animals given Saline (black bar) or 0.1 mg/kg MK-801 (striped bar) when the drug is administered prior to a 24hr retention freezing test. MK-801 did not disrupt expression of contextual fear relative to Saline controls. (p>.90).
