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.
ERP amplitude as a function of time on task. A, Linear decrease of ERP amplitude during the evoked period of 336–420 ms over the midline frontal and the midline parietal ROIs. B, Inverted-U function of ERP amplitude during the evoked period of 640–1272 ms over the anterior frontal ROI. Error bars indicate SE.
