Figure 4.
Comparison of the four maze types for each nonhuman primate species. Chimpanzees are shown in the top panel, rhesus monkeys are shown in the middle panel, and capuchin monkeys are shown in the bottom panel.
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.