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.
The drug used is abbreviated at the top of each diagram. Stars in i indicate that the flight durations from three post-delivery videos are all statistically different from the pre-delivery video ensemble (p<0.05). Two stars above the transverse line in ii and ii indicate statistical differences in flight durations between two video ensembles (before and after delivery) (p<0.05).
