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.
Location of the electrode tips. Plus signs designate placements for which the reward mountain did not shift along the price axis, whereas filled circles designate placements for which rightward shifts were observed when the train duration was increased.
