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.
OBJ-SO task. The test tray contains three food wells, each covered by an object distinctive for shape, color, and size and each containing a reward. New sets of three objects were used on each trial. The testing procedure was similar to the POS-SO task except that the position of the object was changed pseudorandomly during the delay periods. Monkeys received 10 trials per day.
