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.
Changes in heart rate, systolic, and diastolic pressure induced by simulation of public speaking test. B, baseline; P, prestress; A, anticipatory speech; S, speech performance; F1, poststress 1; and F2, poststress 2. Points indicate mean and vertical bars indicate standard error of the mean
