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.
(Color online) Amplitude modulation detection thresholds as a function of carrier level (in dB SPL) for carriers preceded by silence (No pre., open symbols), or by a notched-noise precursor (Pre., closed symbols) for individual subjects with NH. Error bars depict the standard error of the mean of the two (or three) threshold estimates obtained to compute the final threshold (see text).
