An official website of the United States government
Here's how you know
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.
Top and lateral views of glass brains showing hemodynamic changes associated with: (A) imitating, (B) main effect of executing an identical action and (C) main effect of using the same limb.