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.
Stimulus displays for the adaptive Conjunction Search task, illustrating target-absent (top) and target-present (bottom) displays. Displays used colored stimuli, but for illustrative purposes, white replaces blue and black replaces red. Targets were red (shown as black) squares.
