Well, if someone you know is having cognitive difficulties after an auto accident, they may have it. You need have them seen by a doctor immediately.
Then brain floats in a fluid inside the head. In an accident, if the head hits something, the skull will stop but the brain will keep moving and hit inside the skull. Bruising and bleeding of the brain may be the result. You may see confusion, inability to perform certain tasks and even a change in personality. There may be a concussion, although that’s not always the case. The accident was the fault of someone else. You should consult with an attorney who is experienced in traumatic brain injuries.