Figure 3.
Sign-tracking and goal-tracking behavior among animals exposed as adults as indexed by lever presses (a), CS trials (b), nosepokes (c), and US trials (d). Data are expressed as mean ± SEM.
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.