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.
Scatter plot of the position uncertainty estimated from the tracking experiment (y axis) as a function of the thresholds from traditional psychophysics (x axis) for our three observers. The log-log slope is very close to 1 and the percentage of variance accounted for is over 96% for each observer.
