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.
Attentional indices with gradually reduced intercolumbar projection. AI(
/
), AI(
), AI(R) are displayed in (A),(B) and (C), respectively. * represents distributions significantly different from 0.
