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.
An illustration of continuous-RAN (A, top panel) and discrete-RAN (B, bottom panel) tasks. In discrete-RAN, all previews were parafoveally masked and were replaced by the target items as soon as reader’s eyes (as indexed by the asterisks in the figure) crossed the invisible vertical boundary located between every two items.
