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.
Percentage change in CBFv in older (continuous line), and younger (interrupted line) adults to four visuospatial tasks (V1-V4). Task initiation occurred at 20 seconds. Left-hand panel = non-dominant hemisphere, right-hand panel = dominant hemisphere.
