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.
Unconditional response. Velocity in cm/s (mean ± s.e.m.) was computed for the 2 sec prior to (baseline), and during the first 2-sec shock on the training day. Activity burst velocity was reliably predicted by foot-shock intensity and may be a useful indicator of pain reactivity.
