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.
(a) Close up of the peanut dispenser; (b) bird's eye view of the layout used in experiment 2. Note that the peanuts spray into the room opposite where the rope ends are pulled forcing subjects to climb up to and cross an overhead raceway to transition from action to reward access.
