By comparing modern human, Neanderthal, and chimpanzee skulls, researchers have uncovered a unique trait having to do with ...
it is 95% of its ultimate adult size by 6 years of age and growth is complete by age 7. Skull anomalies may originate prenatally or may develop postnatally during the first 2 years of life.
"Based on the fusion of skeletal elements in the skull and cervical vertebrae, as well as the overall size of the individual, ...