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.
Performance of 10S10E groups during first test session. (A) The number of lever presses per four-minute bin decreased over the session for the 10S10E VR (triangles), but not the 10S10E VI (squares) group. ***Indicates for the VR group the bins that were significantly different from bin 1 (p < 0.001 level of significance). (B) The number of reinforcers received per four-minute bin increased for both groups over the session, but the 10S10E VR group received more reinforcers than the VI.
