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.
Brain template (left column) and associated gray matter tissue probability maps (in the four right columns) based on segmentation methods used for 5, 10, 15 and 20–24 year old templates (axial slices at AC-PC level). Figures are not to scale with actual head size; right of head is on left of figure.
