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.
In all figures, the white boxes show neutral retro-cue performance, black boxes show the valid arrow retro-cue performance, and grey boxes show the invalid retro-cue performance. Error bars reflect the standard error of the mean.
