An official website of the United States government
Here's how you know
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 of tracing trajectories and velocity profiles for a congruent (a) and an incongruent trial (b). Panel b shows the velocity profiles of two participants while tracing half of the shape, which corresponds to approximately 2 s.