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.
Example trajectories. The top row shows three examples of patterns freely generated by subjects (P), the middle row shows three examples of letter sequences (L), and the bottom row shows three self-paced random trajectories (R1). The different colors in the middle row segment the individual letters superimposed on each other and are for illustrative purposes only.
