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.
Examples of cognitive training games. (A) speed calculation, (B) number touch, (C) symbol touch, (D) name of key span, (E) dot matrix span, (F) digit number span, (G) concentration speed calculation, (H) triple circle timing touch, and (I) timing touch with a smile.
