Box 2, Figure 1.
Illustration of electrical pulse stimuli and related parameters. (A) Square, triangle, and sine wave formats. (B) Parameters of electrical stimuli that can be tuned.
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.