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.
Colors indicate all channels that have a correlation with a p-value smaller than 0.05, where darker colors reflect stronger correlations. Largest circular-linear correlations arise in fronto-central channels.
