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 participant was instructed to select an experimenter-cued graphical button (a) or to spell the sentence prompt (pale gray text) (b) by timing his clicks to the appropriate highlighted row or column during the switch scanning cycle. For a detailed description of (a) and (b), refer to Supplementary Figs. 8 and 9, respectively.
