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.
Individual results of the four psychoacoustic tests for each group. Listeners are represented by a different symbol in each group and the symbols correspond to those used in Table 1. Group mean and SD are shown with horizontal bars. Horizontal dashed line represents normal limits as defined by 2 SD worse than YNH mean thresholds.
