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.
Diagram of the front panel of the monkey operant chamber. P refers to the visual stimulus projectors used for the visual DMS task and visual serial-order task. S andL refer to the speakers and levers, respectively, used for the auditory DMS, pattern-discrimination, and frequency-discrimination tasks. MS refers to a microswitch that was used to initiate trials on the serial-order, pattern-discrimination, and frequency-discrimination tasks.
