AdvertisementZika Images Show 'Worst Brain Infections That Doctors Will Ever See'August 23, 2016Michaeleen DouclefffacebookEmailThis baby was born with a normal-size head. But MRI scans show the brain is filled with fluid and little brain tissue. The cortex of the brain is normally folded, but in this case, the cortex is smooth. (Courtesy of the Radiological Society of North America)