[onedoug]

Brain capacity was as large or larger than it is today....

Fossil evidence?

[Rockingham]

Yup. Anatomically modern humans date back to about 45,000 years ago. Before that there were Neanderthals and other relatives.

Neanderthal Brain Size at Birth Sheds Light on Human Evolution

September 8, 2008, National Geographic

"Three-dimensional computer-assisted reconstructions of Neanderthal infants based on fossils found in Russia and Syria suggests that our closest human relatives had brains as large as ours at birth and larger than ours as adults."