When your brain is hit the impact causes your brain to shake around your skull. The brain hits your skull damaging the neurons and other cells that are required for the brain to function. After the hit you may or may not lose consciousness. You do not have to lose consciousness in order for it to be a concussion. A concussion can also be caused from
After you get a concussion you might have memory loss, nausea, equilibrium problems, or headaches. Many people experience memmory loss and blurred vision