FIG. 4.
Effects of MPH on heart rate as a function of time following dose administration. Error bars = ± 1 SEM. (●) Active drug; (△) placebo. MPH = Methylphenidate; SEM = standard error of the mean.
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.