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.
Subjects were seated at a desk. A board with two targets (Target 1 and Target 2) was positioned on the desk. The distance between the centers of the two targets was 20 cm along the sagittal axis (X-axis). Each target was bounded by two plastic blocks attached to the board.