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.
Auditory brainstem response (ABR) audiograms of nine unilaterally sound-exposed rats. The ABR threshold at each frequency is plotted relative to the average threshold of 174 unexposed ears. Exposed and protected ears are compared in the upper and lower panels, respectively. The rats were assigned to the tinnitus-positive group (black) or tinnitus-negative group (gray) during subsequent generalization tests
