Interesting, that I wouldn't be surprised if that is what the Eye of Horus was symbolizing. Because, of course the Egyptians knew about the brain. if you look at the medical papyrus, they had an EXTENSIVE knowledge of anatomy and physiology.
This is a forwarded email with photos of what appears to be the bones of giants being examined by archeologists. The email says that these are the ancient bones of the giants that were mentioned in the Old Testament.