Figure A9.
Association between age and spectral power in beta (A), alpha (B), theta (C), and delta (D) frequency bands for eyes closed data at electrode position Cz.
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.