Fig 1.
Single-item memory functions from three delayed matching-to-sample experiments with monkeys (filled symbols) and one delayed matching-to-sample experiment with pigeons (open symbols). The dotted line represents chance performance.
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.