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.
Diagram of diffusion tensor and FA equation. The diffusion tensor is illustrated with its three eigenvectors. An isotropic (FA value close to 0) and an anisotropic (FA value close to 1) diffusion ellipsoids are depicted. The FA equation is also shown. FA, Fractional Anisotropy.
