Multimedia Gallery
July 25, 2011
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.
Additional information about general usage can be found in Conditions.
MRI scan of a 42 year-old male chimpanzee brain.
MRI scan of a 42 year-old male chimpanzee brain. This image shows less shrinkage than scans of human brains of comparable age.
Credit: John Allen and William Hopkins
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.
Additional information about general usage can be found in Conditions.
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Related story: Aging Brains Are Different in Humans and Chimpanzees