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 spectral ripple discrimination (SRD) threshold as a function of age group with random versus constant spectral envelope starting phase. Error bars indicate 1 standard deviation from the mean. Individual thresholds are shown with up to 5% jitter to highlight overlapping values. * Indicates significant effect of age, Independent Samples t-test, 2-tailed p = 0.049.
