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.
Subjects pre-exposed (dark bars) or not pre-exposed (light bars) to the conditioning context on day 1 significantly differ in their latency to freeze (Panel A), their initial movement amplitude (Panel B) and their freezing (Panel C) on test day.
