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.
Topographic maps of electrical potential at LI-4 and control sites. Representative topographic maps from two subjects are shown here. Images on the left correspond to LI-4 while the images on the right correspond to LI-4 Control. The top images are derived from Subject number 1 and the bottom images are from Subject number 5. For each scan, a color bar is included to display electrical potential magnitudes.
