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.
Time-course of normalized t2 functions for young and old subjects. Each subplot shows the time-courses of mean normalized t2 functions of young subjects, in all conditions of the pinhole experiment, and of old subjects from the luminance experiment, in the two conditions with the highest luminance 60.8 cd/m2: condition 1 (c1) plotted in black, and condition 9 (c9) plotted in gray.
