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.
Standard deviation of the steering angle (SDSA) and left hemispheric N2 slow SpA. The greater the improvement in SDSA overnight, the higher the increase in N2 slow SpA from the control to the learning night. Negative SDSA values indicate improvement in performance overnight; a positive change in SpA values indicates an increase in SpA from the control to the learning night. Error bars represent standard error of the mean
