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.
Transfer function coherence, gain, and phase in the low-frequency range (Low: 0.03 – 0.07 Hz), high-frequency range (High: 0.07 – 0.15 Hz), and cardiac-frequency range (Cardiac: within beat) at eyes-closed (EC) and eyes-open (EO) states in healthy (n = 20) subjects. Values are means ± SE. *Significant difference between eyes open and closed, P < 0.05. α, Significant difference between the two arteries, P < 0.05.
