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.
Probability of head tracking for different spatial frequencies. The dots represent the probability that head tracking would be observed at a given spatial frequency for an individual animal, where 1 indicates head tracking was observed every time and 0 indicates head tracking was never observed. The acuities listed here are raw (uncorrected) values.
