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.
Schematic of a single trial sequence. The Gabor patch could appear in any of the four locations on the screen (denoted by the placeholders) and could be tilted 15 degrees left or right from vertical. Placeholders have been enlarged for visibility.
