31 October 2014
Vol 346, Issue 6209

About The Cover

Cover image expansion

COVER Myelin content (red, high; grayish purple, low) mapped on the cerebral cortex of a healthy adult, aged over 70 years, scanned for the Human Connectome Project, Lifespan supplement. Myelin maps provide useful markers for functionally distinct regions of the cerebral cortex, which vary in size between individuals. For more on the aging brain, see page 566
Image: M. F. Glasser, D. C. Van Essen, and J. S. Elam for the WU-Minn Human Connectome Project consortium;