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.
Mean response distance depicted as a function of target distance. Viewing duration was either Fast (40ms for younger, 88ms for older) or Slow (5s). Performance for each of the four groups, differing by age (Younger vs. Older) and condition (No-Preview vs. Preview), are depicted.
