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.
On-axis MN sensory mapping by a 1x4 grid with a triphasic phase reversal, including a P25 response. The PR is between G1 and G2. The response from G1 is precentral, and G2, G3, and G4 are postcentral.
MN, median nerve; PR, phase reversal
