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.
Grand average of the Logarithm of the spectral power (Log SP) in each age group (children: 6–9 years, preadolescents: 10–13 years, adolescents: 14–17 years, youngsters: 18–21 years, young adults: 21–26 years); from 0.5 to 45.5 Hz, in six midline electrodes (FPz, Fz, Cz, Pz, POz, Oz). The spectral power is represented across all the analyzed frequency ranges (0.5–45.5 Hz)
