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.
A, Schematic diagrams of the stimuli presented in the standard (top) and comparison (bottom) intervals in each two-interval forced-choice trial. B, Schematic diagrams of the standard intervals in the five conditions (top to bottom): 50, 100, 200, and 500 msec at 1 kHz and 100 msec at 4 kHz.
