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.
Change in subjective ratings below and above identification thresholds, for each group and sound category. Unpleasantness ratings are from 0 (pleasant) to 100 (unpleasant), with 50 being a neutral rating. For Anger, Disgust, and Anxiety, ratings are from 0 (neutral) to 100. Error bars represent ±1 standard deviation.
