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.
Optical probe for the motion artifact study. Symmetrical source detector localization on both hemispheres. The red and blue numbers indicate the position of sources and detectors respectively. The yellow lines indicate a source-detector pair, or channel.
