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.
The upper panels display group mean scores in quiet at small (two and three items, lower capacity demand) and large (five and six items, higher capacity demand) set sizes for subtract-2 span (A) and alphabet span (B) tasks. The lower panels illustrate performance in the presence of speech-spectrum-shaped noise on subtract-2 span (C) and alphabet span (D). Error bars represent ±1 standard error of the mean (n = 45; 15 per signal-to-noise-ratio [SNR] group).
