Figure 3. Reaction time (mean ± SEM) as a function of remaining costs.
A Effort-sensitive monkeys. B Effort-insensitive monkeys. Red triangles and black circles are work and delay trials, respectively.
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.