Even if there is no physical trauma to the head — bruises, cuts, or open wounds — a whiplash motion can jostle your brain around inside of your skull, leading to a TBI. (davidchristensenlaw.com)
Using some camera wizardry in his Boundary Break, he's able to show us some fun secrets, like whether the powerups inside those little TVs are actually 3D or 2D, what the «classic» 2D levels look like from behind Sonic's back, and what Sonic's mouth looks like inside of his skull. (gap4.com)
Closed head injuries can cause dangerous complications like bruising, swelling, or bleeding inside of the skull. (mhsattorneys.com)