I want every body to feal their back of their heads and tell me if you have a bump very important and cool!!!!
Some scientists suspect occipital buns might correlate with the biomechanics of running. Another theory attributes them to enlargement of the cerebellum, a region of the cortex which mediates spatial reasoning, motor function, and many aspects of brain wave patterns, including gamma waves.
There are still many human populations which often exhibit occipital buns. A greater proportion of early modern Europeans had them, but prominent occipital buns even among Europeans are now relatively infrequent. They are still found fairly often among Lapp and Finn individuals. Bushmen fr