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.
Mean level-discrimination (ΔL) thresholds as a function of stimulus type for normal-hearing (NH), hearing-impaired (HI) unaided and aided. Error bars show 95% confidence intervals. The ability to discriminate level differences between different words and sentences was significantly more difficult than discriminating level differences in noises.
