In the December 5 Issue:

TABLE OF CONTENTS
Climate might be right for a deal: Copenhagen negotiations will take steps toward a climate-stabilizing treaty
Botanical Whales: Adventures in the Tortugas reveal that seagrass fields need saving too
Breaking the Speed Limit: Studies examine physiology and technology to better foresee the ultimate edge of human performance

Digital Edition
Podcast
Past Issues

Network in sync

Text Size

Enlarge Image

At top, fMRI images show areas of the brain that coordinate activity when people are thinking about nothing in particular. The left image shows the outside of a left-facing brain. The right image shows the inner surface of one hemisphere of a right-facing brain. Activity in the two major hubs of the default network (indicated by yellow and orange arrows) rises and falls in time with each other, as seen on a plot of those fluctuations below.

Credit: Courtesy of M. Raichle

Print
|
Comment

Share & Save

Comments