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.
Examples of visual search arrays. A broken circle represents the distractor singleton. Actual experimental stimuli were composed of colour outlines on a black background. a An example of a display that would create a target-elicited N2pc. b An example of a display that would create a distractor-elicited N2pc
