english: And what you'll notice is highlighted in this video from the CDC, which I'll note was funded by the NFL, is that the outer surface of the brain, where it was to have smashed into the skull, looks like it's been damaged or injured, so it's on the outer surface of the brain.
non_english: Wat opvalt in dit filmpje -- trouwens gesponsord door de American-footballbond -- is dat de buitenkant  van de hersenen oplichten. Daar waar de hersenen tegen de schedel aan klapten, lijkt het alsof de hersenen beschadigd  of gewond raken -- aan de buitenkant.