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.
Spectral frequency–temporal modulation representation of sounds with high (top) and low (bottom) unpleasantness ratings. The mean rating for each sound is shown in the top right corner of each figure: ratings were on a scale from 1 to 5, with 1 corresponding to low unpleasantness and 5 corresponding high unpleasantness.
